111701990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{881}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 208293120

約数和(自身を除く): 96591130

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 409, 818, 881, 1762, 2045, 4090, 4405, 8810, 12679, 25358, 27311, 54622, 63395, 126790, 136555, 273110, 360329, 720658, 1801645, 3603290, 11170199, 22340398, 55850995, 111701990]

約数ペア:

[(1, 111701990), (2, 55850995), (5, 22340398), (10, 11170199), (31, 3603290), (62, 1801645), (155, 720658), (310, 360329), (409, 273110), (818, 136555), (881, 126790), (1762, 63395), (2045, 54622), (4090, 27311), (4405, 25358), (8810, 12679)]