221748828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 635265792

約数和(自身を除く): 413516964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 41, 42, 62, 67, 82, 84, 93, 123, 124, 134, 164, 186, 201, 217, 246, 268, 287, 372, 402, 434, 469, 492, 574, 651, 804, 861, 868, 938, 961, 1148, 1271, 1302, 1407, 1722, 1876, 1922, 2077, 2542, 2604, 2747, 2814, 2883, 3444, 3813, 3844, 4154, 5084, 5494, 5628, 5766, 6231, 6727, 7626, 8241, 8308, 8897, 10988, 11532, 12462, 13454, 14539, 15252, 16482, 17794, 19229, 20181, 24924, 26691, 26908, 29078, 32964, 35588, 38458, 39401, 40362, 43617, 53382, 57687, 58156, 64387, 76916, 78802, 80724, 85157, 87234, 106764, 115374, 118203, 128774, 157604, 170314, 174468, 193161, 230748, 236406, 255471, 257548, 275807, 340628, 386322, 450709, 472812, 510942, 551614, 596099, 772644, 827421, 901418, 1021884, 1103228, 1192198, 1352127, 1654842, 1788297, 1802836, 2384396, 2639867, 2704254, 3309684, 3576594, 5279734, 5408508, 7153188, 7919601, 10559468, 15839202, 18479069, 31678404, 36958138, 55437207, 73916276, 110874414, 221748828]

約数ペア:

[(1, 221748828), (2, 110874414), (3, 73916276), (4, 55437207), (6, 36958138), (7, 31678404), (12, 18479069), (14, 15839202), (21, 10559468), (28, 7919601), (31, 7153188), (41, 5408508), (42, 5279734), (62, 3576594), (67, 3309684), (82, 2704254), (84, 2639867), (93, 2384396), (123, 1802836), (124, 1788297), (134, 1654842), (164, 1352127), (186, 1192198), (201, 1103228), (217, 1021884), (246, 901418), (268, 827421), (287, 772644), (372, 596099), (402, 551614), (434, 510942), (469, 472812), (492, 450709), (574, 386322), (651, 340628), (804, 275807), (861, 257548), (868, 255471), (938, 236406), (961, 230748), (1148, 193161), (1271, 174468), (1302, 170314), (1407, 157604), (1722, 128774), (1876, 118203), (1922, 115374), (2077, 106764), (2542, 87234), (2604, 85157), (2747, 80724), (2814, 78802), (2883, 76916), (3444, 64387), (3813, 58156), (3844, 57687), (4154, 53382), (5084, 43617), (5494, 40362), (5628, 39401), (5766, 38458), (6231, 35588), (6727, 32964), (7626, 29078), (8241, 26908), (8308, 26691), (8897, 24924), (10988, 20181), (11532, 19229), (12462, 17794), (13454, 16482), (14539, 15252)]