209564036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{78079}}^1$

素因数の和:78155

約数の個数: 24

約数和(自身を含む): 406640640

約数和(自身を除く): 197076604

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 78079, 156158, 312316, 858869, 1717738, 3435476, 4762819, 9525638, 19051276, 52391009, 104782018, 209564036]

約数ペア:

[(1, 209564036), (2, 104782018), (4, 52391009), (11, 19051276), (22, 9525638), (44, 4762819), (61, 3435476), (122, 1717738), (244, 858869), (671, 312316), (1342, 156158), (2684, 78079)]