81663752

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 155692800

約数和(自身を除く): 74029048

約数列:

[1, 2, 4, 8, 101, 202, 211, 404, 422, 479, 808, 844, 958, 1688, 1916, 3832, 21311, 42622, 48379, 85244, 96758, 101069, 170488, 193516, 202138, 387032, 404276, 808552, 10207969, 20415938, 40831876, 81663752]

約数ペア:

[(1, 81663752), (2, 40831876), (4, 20415938), (8, 10207969), (101, 808552), (202, 404276), (211, 387032), (404, 202138), (422, 193516), (479, 170488), (808, 101069), (844, 96758), (958, 85244), (1688, 48379), (1916, 42622), (3832, 21311)]