638196352

素因数分解:

$2^7\times {\mathrm{4985909}}^1$

素因数の和:4985923

約数の個数: 16

約数和(自身を含む): 1271407050

約数和(自身を除く): 633210698

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 4985909, 9971818, 19943636, 39887272, 79774544, 159549088, 319098176, 638196352]

約数ペア:

[(1, 638196352), (2, 319098176), (4, 159549088), (8, 79774544), (16, 39887272), (32, 19943636), (64, 9971818), (128, 4985909)]