399319648

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:840

約数の個数: 96

約数和(自身を含む): 973304640

約数和(自身を除く): 573984992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 241, 364, 416, 482, 569, 728, 964, 1138, 1456, 1687, 1928, 2276, 2912, 3133, 3374, 3856, 3983, 4552, 6266, 6748, 7397, 7712, 7966, 9104, 12532, 13496, 14794, 15932, 18208, 21931, 25064, 26992, 29588, 31864, 43862, 50128, 51779, 53984, 59176, 63728, 87724, 100256, 103558, 118352, 127456, 137129, 175448, 207116, 236704, 274258, 350896, 414232, 548516, 701792, 828464, 959903, 1097032, 1656928, 1782677, 1919806, 2194064, 3565354, 3839612, 4388128, 7130708, 7679224, 12478739, 14261416, 15358448, 24957478, 28522832, 30716896, 49914956, 57045664, 99829912, 199659824, 399319648]

約数ペア:

[(1, 399319648), (2, 199659824), (4, 99829912), (7, 57045664), (8, 49914956), (13, 30716896), (14, 28522832), (16, 24957478), (26, 15358448), (28, 14261416), (32, 12478739), (52, 7679224), (56, 7130708), (91, 4388128), (104, 3839612), (112, 3565354), (182, 2194064), (208, 1919806), (224, 1782677), (241, 1656928), (364, 1097032), (416, 959903), (482, 828464), (569, 701792), (728, 548516), (964, 414232), (1138, 350896), (1456, 274258), (1687, 236704), (1928, 207116), (2276, 175448), (2912, 137129), (3133, 127456), (3374, 118352), (3856, 103558), (3983, 100256), (4552, 87724), (6266, 63728), (6748, 59176), (7397, 53984), (7712, 51779), (7966, 50128), (9104, 43862), (12532, 31864), (13496, 29588), (14794, 26992), (15932, 25064), (18208, 21931)]