639537456

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{104911}}^1$

素因数の和:105049

約数の個数: 40

約数和(自身を含む): 1665163264

約数和(自身を除く): 1025625808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 6096, 104911, 209822, 314733, 419644, 629466, 839288, 1258932, 1678576, 2517864, 5035728, 13323697, 26647394, 39971091, 53294788, 79942182, 106589576, 159884364, 213179152, 319768728, 639537456]

約数ペア:

[(1, 639537456), (2, 319768728), (3, 213179152), (4, 159884364), (6, 106589576), (8, 79942182), (12, 53294788), (16, 39971091), (24, 26647394), (48, 13323697), (127, 5035728), (254, 2517864), (381, 1678576), (508, 1258932), (762, 839288), (1016, 629466), (1524, 419644), (2032, 314733), (3048, 209822), (6096, 104911)]