31042856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 62920200

約数和(自身を除く): 31877344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 709, 842, 1418, 1684, 2836, 3368, 5473, 5672, 9217, 10946, 18434, 21892, 36868, 43784, 73736, 298489, 596978, 1193956, 2387912, 3880357, 7760714, 15521428, 31042856]

約数ペア:

[(1, 31042856), (2, 15521428), (4, 7760714), (8, 3880357), (13, 2387912), (26, 1193956), (52, 596978), (104, 298489), (421, 73736), (709, 43784), (842, 36868), (1418, 21892), (1684, 18434), (2836, 10946), (3368, 9217), (5473, 5672)]