157218890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{54401}}^1$

素因数の和:54442

約数の個数: 24

約数和(自身を含む): 300625452

約数和(自身を除く): 143406562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 54401, 108802, 272005, 544010, 924817, 1849634, 4624085, 9248170, 15721889, 31443778, 78609445, 157218890]

約数ペア:

[(1, 157218890), (2, 78609445), (5, 31443778), (10, 15721889), (17, 9248170), (34, 4624085), (85, 1849634), (170, 924817), (289, 544010), (578, 272005), (1445, 108802), (2890, 54401)]