28141565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 36817440

約数和(自身を除く): 8675875

約数列:

[1, 5, 19, 43, 83, 95, 215, 415, 817, 1577, 3569, 4085, 6889, 7885, 17845, 34445, 67811, 130891, 296227, 339055, 654455, 1481135, 5628313, 28141565]

約数ペア:

[(1, 28141565), (5, 5628313), (19, 1481135), (43, 654455), (83, 339055), (95, 296227), (215, 130891), (415, 67811), (817, 34445), (1577, 17845), (3569, 7885), (4085, 6889)]