251331444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 812851200

約数和(自身を除く): 561519756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 107, 108, 117, 126, 156, 182, 189, 214, 234, 239, 252, 273, 321, 351, 364, 378, 428, 468, 478, 546, 642, 702, 717, 749, 756, 819, 956, 963, 1092, 1284, 1391, 1404, 1434, 1498, 1638, 1673, 1926, 2151, 2247, 2457, 2782, 2868, 2889, 2996, 3107, 3276, 3346, 3852, 4173, 4302, 4494, 4914, 5019, 5564, 5778, 6214, 6453, 6692, 6741, 8346, 8604, 8988, 9321, 9737, 9828, 10038, 11556, 12428, 12519, 12906, 13482, 15057, 16692, 18642, 19474, 20076, 20223, 21749, 25038, 25573, 25812, 26964, 27963, 29211, 30114, 37284, 37557, 38948, 40446, 43498, 45171, 50076, 51146, 55926, 58422, 60228, 65247, 75114, 76719, 80892, 83889, 86996, 87633, 90342, 102292, 111852, 116844, 130494, 150228, 153438, 167778, 175266, 179011, 180684, 195741, 230157, 260988, 262899, 306876, 332449, 335556, 350532, 358022, 391482, 460314, 525798, 537033, 587223, 664898, 690471, 716044, 782964, 920628, 997347, 1051596, 1074066, 1174446, 1329796, 1380942, 1611099, 1994694, 2148132, 2327143, 2348892, 2761884, 2992041, 3222198, 3989388, 4654286, 4833297, 5984082, 6444396, 6981429, 8976123, 9308572, 9666594, 11968164, 13962858, 17952246, 19333188, 20944287, 27925716, 35904492, 41888574, 62832861, 83777148, 125665722, 251331444]

約数ペア:

[(1, 251331444), (2, 125665722), (3, 83777148), (4, 62832861), (6, 41888574), (7, 35904492), (9, 27925716), (12, 20944287), (13, 19333188), (14, 17952246), (18, 13962858), (21, 11968164), (26, 9666594), (27, 9308572), (28, 8976123), (36, 6981429), (39, 6444396), (42, 5984082), (52, 4833297), (54, 4654286), (63, 3989388), (78, 3222198), (84, 2992041), (91, 2761884), (107, 2348892), (108, 2327143), (117, 2148132), (126, 1994694), (156, 1611099), (182, 1380942), (189, 1329796), (214, 1174446), (234, 1074066), (239, 1051596), (252, 997347), (273, 920628), (321, 782964), (351, 716044), (364, 690471), (378, 664898), (428, 587223), (468, 537033), (478, 525798), (546, 460314), (642, 391482), (702, 358022), (717, 350532), (749, 335556), (756, 332449), (819, 306876), (956, 262899), (963, 260988), (1092, 230157), (1284, 195741), (1391, 180684), (1404, 179011), (1434, 175266), (1498, 167778), (1638, 153438), (1673, 150228), (1926, 130494), (2151, 116844), (2247, 111852), (2457, 102292), (2782, 90342), (2868, 87633), (2889, 86996), (2996, 83889), (3107, 80892), (3276, 76719), (3346, 75114), (3852, 65247), (4173, 60228), (4302, 58422), (4494, 55926), (4914, 51146), (5019, 50076), (5564, 45171), (5778, 43498), (6214, 40446), (6453, 38948), (6692, 37557), (6741, 37284), (8346, 30114), (8604, 29211), (8988, 27963), (9321, 26964), (9737, 25812), (9828, 25573), (10038, 25038), (11556, 21749), (12428, 20223), (12519, 20076), (12906, 19474), (13482, 18642), (15057, 16692)]