853356890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 1562186304

約数和(自身を除く): 708829414

約数列:

[1, 2, 5, 10, 67, 134, 335, 641, 670, 1282, 1987, 3205, 3974, 6410, 9935, 19870, 42947, 85894, 133129, 214735, 266258, 429470, 665645, 1273667, 1331290, 2547334, 6368335, 12736670, 85335689, 170671378, 426678445, 853356890]

約数ペア:

[(1, 853356890), (2, 426678445), (5, 170671378), (10, 85335689), (67, 12736670), (134, 6368335), (335, 2547334), (641, 1331290), (670, 1273667), (1282, 665645), (1987, 429470), (3205, 266258), (3974, 214735), (6410, 133129), (9935, 85894), (19870, 42947)]