2560778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 4572288

約数和(自身を除く): 2011510

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 167, 187, 334, 374, 451, 697, 902, 1394, 1837, 2839, 3674, 5678, 6847, 7667, 13694, 15334, 31229, 62458, 75317, 116399, 150634, 232798, 1280389, 2560778]

約数ペア:

[(1, 2560778), (2, 1280389), (11, 232798), (17, 150634), (22, 116399), (34, 75317), (41, 62458), (82, 31229), (167, 15334), (187, 13694), (334, 7667), (374, 6847), (451, 5678), (697, 3674), (902, 2839), (1394, 1837)]