81130256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{787}}^1$

素因数の和:1191

約数の個数: 40

約数和(自身を含む): 167087520

約数和(自身を除く): 85957264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 379, 758, 787, 1516, 1574, 3032, 3148, 6064, 6296, 6443, 12592, 12886, 13379, 25772, 26758, 51544, 53516, 103088, 107032, 214064, 298273, 596546, 1193092, 2386184, 4772368, 5070641, 10141282, 20282564, 40565128, 81130256]

約数ペア:

[(1, 81130256), (2, 40565128), (4, 20282564), (8, 10141282), (16, 5070641), (17, 4772368), (34, 2386184), (68, 1193092), (136, 596546), (272, 298273), (379, 214064), (758, 107032), (787, 103088), (1516, 53516), (1574, 51544), (3032, 26758), (3148, 25772), (6064, 13379), (6296, 12886), (6443, 12592)]