1994668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 3810240

約数和(自身を除く): 1815572

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 431, 862, 1157, 1724, 2314, 4628, 5603, 11206, 22412, 38359, 76718, 153436, 498667, 997334, 1994668]

約数ペア:

[(1, 1994668), (2, 997334), (4, 498667), (13, 153436), (26, 76718), (52, 38359), (89, 22412), (178, 11206), (356, 5603), (431, 4628), (862, 2314), (1157, 1724)]