166753420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{16981}}^1$

素因数の和:17481

約数の個数: 24

約数和(自身を含む): 350916048

約数和(自身を除く): 184162628

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 16981, 33962, 67924, 84905, 169810, 339620, 8337671, 16675342, 33350684, 41688355, 83376710, 166753420]

約数ペア:

[(1, 166753420), (2, 83376710), (4, 41688355), (5, 33350684), (10, 16675342), (20, 8337671), (491, 339620), (982, 169810), (1964, 84905), (2455, 67924), (4910, 33962), (9820, 16981)]