39947848

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 77859000

約数和(自身を除く): 37911152

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 409, 421, 818, 842, 1636, 1684, 3272, 3368, 11861, 12209, 23722, 24418, 47444, 48836, 94888, 97672, 172189, 344378, 688756, 1377512, 4993481, 9986962, 19973924, 39947848]

約数ペア:

[(1, 39947848), (2, 19973924), (4, 9986962), (8, 4993481), (29, 1377512), (58, 688756), (116, 344378), (232, 172189), (409, 97672), (421, 94888), (818, 48836), (842, 47444), (1636, 24418), (1684, 23722), (3272, 12209), (3368, 11861)]