131179984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1039}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 274426880

約数和(自身を除く): 143246896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 607, 1039, 1214, 2078, 2428, 4156, 4856, 7891, 8312, 9712, 13507, 15782, 16624, 27014, 31564, 54028, 63128, 108056, 126256, 216112, 630673, 1261346, 2522692, 5045384, 8198749, 10090768, 16397498, 32794996, 65589992, 131179984]

約数ペア:

[(1, 131179984), (2, 65589992), (4, 32794996), (8, 16397498), (13, 10090768), (16, 8198749), (26, 5045384), (52, 2522692), (104, 1261346), (208, 630673), (607, 216112), (1039, 126256), (1214, 108056), (2078, 63128), (2428, 54028), (4156, 31564), (4856, 27014), (7891, 16624), (8312, 15782), (9712, 13507)]