2156570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 4272912

約数和(自身を除く): 2116342

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 313, 530, 626, 689, 1378, 1565, 3130, 3445, 4069, 6890, 8138, 16589, 20345, 33178, 40690, 82945, 165890, 215657, 431314, 1078285, 2156570]

約数ペア:

[(1, 2156570), (2, 1078285), (5, 431314), (10, 215657), (13, 165890), (26, 82945), (53, 40690), (65, 33178), (106, 20345), (130, 16589), (265, 8138), (313, 6890), (530, 4069), (626, 3445), (689, 3130), (1378, 1565)]