402381128

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{1009}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 765984000

約数和(自身を除く): 363602872

約数列:

[1, 2, 4, 8, 79, 158, 316, 631, 632, 1009, 1262, 2018, 2524, 4036, 5048, 8072, 49849, 79711, 99698, 159422, 199396, 318844, 398792, 636679, 637688, 1273358, 2546716, 5093432, 50297641, 100595282, 201190564, 402381128]

約数ペア:

[(1, 402381128), (2, 201190564), (4, 100595282), (8, 50297641), (79, 5093432), (158, 2546716), (316, 1273358), (631, 637688), (632, 636679), (1009, 398792), (1262, 318844), (2018, 199396), (2524, 159422), (4036, 99698), (5048, 79711), (8072, 49849)]