1628668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 3093552

約数和(自身を除く): 1464884

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 557, 731, 1114, 1462, 2228, 2924, 9469, 18938, 23951, 37876, 47902, 95804, 407167, 814334, 1628668]

約数ペア:

[(1, 1628668), (2, 814334), (4, 407167), (17, 95804), (34, 47902), (43, 37876), (68, 23951), (86, 18938), (172, 9469), (557, 2924), (731, 2228), (1114, 1462)]