239581264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{16223}}^1$

素因数の和:16315

約数の個数: 40

約数和(自身を含む): 506967552

約数和(自身を除く): 267386288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 16223, 32446, 64892, 129784, 210899, 259568, 421798, 843596, 1151833, 1687192, 2303666, 3374384, 4607332, 9214664, 14973829, 18429328, 29947658, 59895316, 119790632, 239581264]

約数ペア:

[(1, 239581264), (2, 119790632), (4, 59895316), (8, 29947658), (13, 18429328), (16, 14973829), (26, 9214664), (52, 4607332), (71, 3374384), (104, 2303666), (142, 1687192), (208, 1151833), (284, 843596), (568, 421798), (923, 259568), (1136, 210899), (1846, 129784), (3692, 64892), (7384, 32446), (14768, 16223)]