69895384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2161}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 141654240

約数和(自身を除く): 71758856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 622, 1244, 2161, 2488, 4043, 4322, 8086, 8644, 16172, 17288, 28093, 32344, 56186, 112372, 224744, 672071, 1344142, 2688284, 5376568, 8736923, 17473846, 34947692, 69895384]

約数ペア:

[(1, 69895384), (2, 34947692), (4, 17473846), (8, 8736923), (13, 5376568), (26, 2688284), (52, 1344142), (104, 672071), (311, 224744), (622, 112372), (1244, 56186), (2161, 32344), (2488, 28093), (4043, 17288), (4322, 16172), (8086, 8644)]