856544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1048576

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 71, 104, 116, 142, 208, 232, 284, 377, 416, 464, 568, 754, 923, 928, 1136, 1508, 1846, 2059, 2272, 3016, 3692, 4118, 6032, 7384, 8236, 12064, 14768, 16472, 26767, 29536, 32944, 53534, 65888, 107068, 214136, 428272, 856544]

約数ペア:

[(1, 856544), (2, 428272), (4, 214136), (8, 107068), (13, 65888), (16, 53534), (26, 32944), (29, 29536), (32, 26767), (52, 16472), (58, 14768), (71, 12064), (104, 8236), (116, 7384), (142, 6032), (208, 4118), (232, 3692), (284, 3016), (377, 2272), (416, 2059), (464, 1846), (568, 1508), (754, 1136), (923, 928)]