163905404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{7487}}^1$

素因数の和:7925

約数の個数: 24

約数和(自身を含む): 309673728

約数和(自身を除く): 145768324

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 1684, 5473, 7487, 10946, 14974, 21892, 29948, 97331, 194662, 389324, 3152027, 6304054, 12608108, 40976351, 81952702, 163905404]

約数ペア:

[(1, 163905404), (2, 81952702), (4, 40976351), (13, 12608108), (26, 6304054), (52, 3152027), (421, 389324), (842, 194662), (1684, 97331), (5473, 29948), (7487, 21892), (10946, 14974)]