31403216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 70870464

約数和(自身を除く): 39467248

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 83, 104, 107, 136, 166, 208, 214, 221, 272, 332, 428, 442, 664, 856, 884, 1079, 1328, 1391, 1411, 1712, 1768, 1819, 2158, 2782, 2822, 3536, 3638, 4316, 5564, 5644, 7276, 8632, 8881, 11128, 11288, 14552, 17264, 17762, 18343, 22256, 22576, 23647, 29104, 35524, 36686, 47294, 71048, 73372, 94588, 115453, 142096, 146744, 150977, 189176, 230906, 293488, 301954, 378352, 461812, 603908, 923624, 1207816, 1847248, 1962701, 2415632, 3925402, 7850804, 15701608, 31403216]

約数ペア:

[(1, 31403216), (2, 15701608), (4, 7850804), (8, 3925402), (13, 2415632), (16, 1962701), (17, 1847248), (26, 1207816), (34, 923624), (52, 603908), (68, 461812), (83, 378352), (104, 301954), (107, 293488), (136, 230906), (166, 189176), (208, 150977), (214, 146744), (221, 142096), (272, 115453), (332, 94588), (428, 73372), (442, 71048), (664, 47294), (856, 36686), (884, 35524), (1079, 29104), (1328, 23647), (1391, 22576), (1411, 22256), (1712, 18343), (1768, 17762), (1819, 17264), (2158, 14552), (2782, 11288), (2822, 11128), (3536, 8881), (3638, 8632), (4316, 7276), (5564, 5644)]