71688128

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{2011}}^1$

素因数の和:2580

約数の個数: 28

約数和(自身を含む): 142582392

約数和(自身を除く): 70894264

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 1114, 2011, 2228, 4022, 4456, 8044, 8912, 16088, 17824, 32176, 35648, 64352, 128704, 1120127, 2240254, 4480508, 8961016, 17922032, 35844064, 71688128]

約数ペア:

[(1, 71688128), (2, 35844064), (4, 17922032), (8, 8961016), (16, 4480508), (32, 2240254), (64, 1120127), (557, 128704), (1114, 64352), (2011, 35648), (2228, 32176), (4022, 17824), (4456, 16088), (8044, 8912)]