209401072

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{72307}}^1$

素因数の和:72496

約数の個数: 20

約数和(自身を含む): 407961736

約数和(自身を除く): 198560664

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 72307, 144614, 289228, 578456, 1156912, 13087567, 26175134, 52350268, 104700536, 209401072]

約数ペア:

[(1, 209401072), (2, 104700536), (4, 52350268), (8, 26175134), (16, 13087567), (181, 1156912), (362, 578456), (724, 289228), (1448, 144614), (2896, 72307)]