646407972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:319

約数の個数: 192

約数和(自身を含む): 1979873280

約数和(自身を除く): 1333465308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 84, 107, 108, 122, 126, 131, 183, 189, 214, 244, 252, 262, 321, 366, 378, 393, 427, 428, 524, 549, 642, 732, 749, 756, 786, 854, 917, 963, 1098, 1179, 1281, 1284, 1498, 1572, 1647, 1708, 1834, 1926, 2196, 2247, 2358, 2562, 2751, 2889, 2996, 3294, 3537, 3668, 3843, 3852, 4494, 4716, 5124, 5502, 5778, 6527, 6588, 6741, 7074, 7686, 7991, 8253, 8988, 11004, 11529, 11556, 13054, 13482, 14017, 14148, 15372, 15982, 16506, 19581, 20223, 23058, 23973, 24759, 26108, 26964, 28034, 31964, 33012, 39162, 40446, 42051, 45689, 46116, 47946, 49518, 55937, 56068, 58743, 71919, 78324, 80892, 84102, 91378, 95892, 98119, 99036, 111874, 117486, 126153, 137067, 143838, 167811, 168204, 176229, 182756, 196238, 215757, 223748, 234972, 252306, 274134, 287676, 294357, 335622, 352458, 378459, 392476, 411201, 431514, 503433, 504612, 548268, 588714, 671244, 704916, 756918, 822402, 855037, 863028, 883071, 1006866, 1177428, 1233603, 1510299, 1513836, 1644804, 1710074, 1766142, 2013732, 2467206, 2565111, 2649213, 3020598, 3420148, 3532284, 4934412, 5130222, 5298426, 5985259, 6041196, 7695333, 10260444, 10596852, 11970518, 15390666, 17955777, 23085999, 23941036, 30781332, 35911554, 46171998, 53867331, 71823108, 92343996, 107734662, 161601993, 215469324, 323203986, 646407972]

約数ペア:

[(1, 646407972), (2, 323203986), (3, 215469324), (4, 161601993), (6, 107734662), (7, 92343996), (9, 71823108), (12, 53867331), (14, 46171998), (18, 35911554), (21, 30781332), (27, 23941036), (28, 23085999), (36, 17955777), (42, 15390666), (54, 11970518), (61, 10596852), (63, 10260444), (84, 7695333), (107, 6041196), (108, 5985259), (122, 5298426), (126, 5130222), (131, 4934412), (183, 3532284), (189, 3420148), (214, 3020598), (244, 2649213), (252, 2565111), (262, 2467206), (321, 2013732), (366, 1766142), (378, 1710074), (393, 1644804), (427, 1513836), (428, 1510299), (524, 1233603), (549, 1177428), (642, 1006866), (732, 883071), (749, 863028), (756, 855037), (786, 822402), (854, 756918), (917, 704916), (963, 671244), (1098, 588714), (1179, 548268), (1281, 504612), (1284, 503433), (1498, 431514), (1572, 411201), (1647, 392476), (1708, 378459), (1834, 352458), (1926, 335622), (2196, 294357), (2247, 287676), (2358, 274134), (2562, 252306), (2751, 234972), (2889, 223748), (2996, 215757), (3294, 196238), (3537, 182756), (3668, 176229), (3843, 168204), (3852, 167811), (4494, 143838), (4716, 137067), (5124, 126153), (5502, 117486), (5778, 111874), (6527, 99036), (6588, 98119), (6741, 95892), (7074, 91378), (7686, 84102), (7991, 80892), (8253, 78324), (8988, 71919), (11004, 58743), (11529, 56068), (11556, 55937), (13054, 49518), (13482, 47946), (14017, 46116), (14148, 45689), (15372, 42051), (15982, 40446), (16506, 39162), (19581, 33012), (20223, 31964), (23058, 28034), (23973, 26964), (24759, 26108)]