31891384

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2699}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 68688000

約数和(自身を除く): 36796616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2699, 2954, 5398, 5908, 10796, 11816, 18893, 21592, 37786, 75572, 151144, 569489, 1138978, 2277956, 3986423, 4555912, 7972846, 15945692, 31891384]

約数ペア:

[(1, 31891384), (2, 15945692), (4, 7972846), (7, 4555912), (8, 3986423), (14, 2277956), (28, 1138978), (56, 569489), (211, 151144), (422, 75572), (844, 37786), (1477, 21592), (1688, 18893), (2699, 11816), (2954, 10796), (5398, 5908)]