4181661808

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{639007}}^1$

素因数の和:639424

約数の個数: 20

約数和(自身を含む): 8121791680

約数和(自身を除く): 3940129872

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 639007, 1278014, 2556028, 5112056, 10224112, 261353863, 522707726, 1045415452, 2090830904, 4181661808]

約数ペア:

[(1, 4181661808), (2, 2090830904), (4, 1045415452), (8, 522707726), (16, 261353863), (409, 10224112), (818, 5112056), (1636, 2556028), (3272, 1278014), (6544, 639007)]