128831114

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:510

約数の個数: 24

約数和(自身を含む): 200446848

約数和(自身を除く): 71615734

約数列:

[1, 2, 37, 74, 211, 223, 422, 446, 1369, 2738, 7807, 8251, 15614, 16502, 47053, 94106, 288859, 305287, 577718, 610574, 1740961, 3481922, 64415557, 128831114]

約数ペア:

[(1, 128831114), (2, 64415557), (37, 3481922), (74, 1740961), (211, 610574), (223, 577718), (422, 305287), (446, 288859), (1369, 94106), (2738, 47053), (7807, 16502), (8251, 15614)]