2160808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 4435200

約数和(自身を除く): 2274392

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 263, 316, 526, 632, 1027, 1052, 2054, 2104, 3419, 4108, 6838, 8216, 13676, 20777, 27352, 41554, 83108, 166216, 270101, 540202, 1080404, 2160808]

約数ペア:

[(1, 2160808), (2, 1080404), (4, 540202), (8, 270101), (13, 166216), (26, 83108), (52, 41554), (79, 27352), (104, 20777), (158, 13676), (263, 8216), (316, 6838), (526, 4108), (632, 3419), (1027, 2104), (1052, 2054)]