81169690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{4409}}^1$

素因数の和:4686

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 86480870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 4409, 8818, 9205, 18410, 22045, 30863, 44090, 61726, 154315, 308630, 1159567, 2319134, 5797835, 8116969, 11595670, 16233938, 40584845, 81169690]

約数ペア:

[(1, 81169690), (2, 40584845), (5, 16233938), (7, 11595670), (10, 8116969), (14, 5797835), (35, 2319134), (70, 1159567), (263, 308630), (526, 154315), (1315, 61726), (1841, 44090), (2630, 30863), (3682, 22045), (4409, 18410), (8818, 9205)]