86685890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12437}}^1$

素因数の和:12502

約数の個数: 32

約数和(自身を含む): 169256304

約数和(自身を除く): 82570414

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 12437, 24874, 62185, 124370, 211429, 422858, 509917, 1019834, 1057145, 2114290, 2549585, 5099170, 8668589, 17337178, 43342945, 86685890]

約数ペア:

[(1, 86685890), (2, 43342945), (5, 17337178), (10, 8668589), (17, 5099170), (34, 2549585), (41, 2114290), (82, 1057145), (85, 1019834), (170, 509917), (205, 422858), (410, 211429), (697, 124370), (1394, 62185), (3485, 24874), (6970, 12437)]