258338128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{743}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 518109696

約数和(自身を除く): 259771568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 701, 743, 1402, 1486, 2804, 2972, 5608, 5944, 11216, 11888, 21731, 23033, 43462, 46066, 86924, 92132, 173848, 184264, 347696, 368528, 520843, 1041686, 2083372, 4166744, 8333488, 16146133, 32292266, 64584532, 129169064, 258338128]

約数ペア:

[(1, 258338128), (2, 129169064), (4, 64584532), (8, 32292266), (16, 16146133), (31, 8333488), (62, 4166744), (124, 2083372), (248, 1041686), (496, 520843), (701, 368528), (743, 347696), (1402, 184264), (1486, 173848), (2804, 92132), (2972, 86924), (5608, 46066), (5944, 43462), (11216, 23033), (11888, 21731)]