428272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 937440

約数和(自身を除く): 509168

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 71, 104, 116, 142, 208, 232, 284, 377, 464, 568, 754, 923, 1136, 1508, 1846, 2059, 3016, 3692, 4118, 6032, 7384, 8236, 14768, 16472, 26767, 32944, 53534, 107068, 214136, 428272]

約数ペア:

[(1, 428272), (2, 214136), (4, 107068), (8, 53534), (13, 32944), (16, 26767), (26, 16472), (29, 14768), (52, 8236), (58, 7384), (71, 6032), (104, 4118), (116, 3692), (142, 3016), (208, 2059), (232, 1846), (284, 1508), (377, 1136), (464, 923), (568, 754)]