266860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 611856

約数和(自身を除く): 344996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1213, 2426, 4852, 6065, 12130, 13343, 24260, 26686, 53372, 66715, 133430, 266860]

約数ペア:

[(1, 266860), (2, 133430), (4, 66715), (5, 53372), (10, 26686), (11, 24260), (20, 13343), (22, 12130), (44, 6065), (55, 4852), (110, 2426), (220, 1213)]