85990918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{5413}}^1$

素因数の和:5488

約数の個数: 24

約数和(自身を含む): 142669728

約数和(自身を除く): 56678810

約数列:

[1, 2, 13, 26, 47, 94, 169, 338, 611, 1222, 5413, 7943, 10826, 15886, 70369, 140738, 254411, 508822, 914797, 1829594, 3307343, 6614686, 42995459, 85990918]

約数ペア:

[(1, 85990918), (2, 42995459), (13, 6614686), (26, 3307343), (47, 1829594), (94, 914797), (169, 508822), (338, 254411), (611, 140738), (1222, 70369), (5413, 15886), (7943, 10826)]