2556565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 3649536

約数和(自身を除く): 1092971

約数列:

[1, 5, 11, 23, 43, 47, 55, 115, 215, 235, 253, 473, 517, 989, 1081, 1265, 2021, 2365, 2585, 4945, 5405, 10105, 10879, 11891, 22231, 46483, 54395, 59455, 111155, 232415, 511313, 2556565]

約数ペア:

[(1, 2556565), (5, 511313), (11, 232415), (23, 111155), (43, 59455), (47, 54395), (55, 46483), (115, 22231), (215, 11891), (235, 10879), (253, 10105), (473, 5405), (517, 4945), (989, 2585), (1081, 2365), (1265, 2021)]