133631056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{642457}}^1$

素因数の和:642478

約数の個数: 20

約数和(自身を含む): 278826772

約数和(自身を除く): 145195716

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 642457, 1284914, 2569828, 5139656, 8351941, 10279312, 16703882, 33407764, 66815528, 133631056]

約数ペア:

[(1, 133631056), (2, 66815528), (4, 33407764), (8, 16703882), (13, 10279312), (16, 8351941), (26, 5139656), (52, 2569828), (104, 1284914), (208, 642457)]