256432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 571392

約数和(自身を除く): 314960

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 517, 682, 752, 1034, 1364, 1457, 2068, 2728, 2914, 4136, 5456, 5828, 8272, 11656, 16027, 23312, 32054, 64108, 128216, 256432]

約数ペア:

[(1, 256432), (2, 128216), (4, 64108), (8, 32054), (11, 23312), (16, 16027), (22, 11656), (31, 8272), (44, 5828), (47, 5456), (62, 4136), (88, 2914), (94, 2728), (124, 2068), (176, 1457), (188, 1364), (248, 1034), (341, 752), (376, 682), (496, 517)]