219801812

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{7459}}^1$

素因数の和:7655

約数の個数: 24

約数和(自身を含む): 394783200

約数和(自身を除く): 174981388

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 7367, 7459, 14734, 14918, 29468, 29836, 395327, 790654, 1036801, 1581308, 2073602, 4147204, 54950453, 109900906, 219801812]

約数ペア:

[(1, 219801812), (2, 109900906), (4, 54950453), (53, 4147204), (106, 2073602), (139, 1581308), (212, 1036801), (278, 790654), (556, 395327), (7367, 29836), (7459, 29468), (14734, 14918)]