277656704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{166861}}^1$

素因数の和:166888

約数の個数: 32

約数和(自身を含む): 595697340

約数和(自身を除く): 318040636

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 166861, 333722, 667444, 1334888, 2169193, 2669776, 4338386, 5339552, 8676772, 10679104, 17353544, 21358208, 34707088, 69414176, 138828352, 277656704]

約数ペア:

[(1, 277656704), (2, 138828352), (4, 69414176), (8, 34707088), (13, 21358208), (16, 17353544), (26, 10679104), (32, 8676772), (52, 5339552), (64, 4338386), (104, 2669776), (128, 2169193), (208, 1334888), (416, 667444), (832, 333722), (1664, 166861)]