208520806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 353884608

約数和(自身を除く): 145363802

約数列:

[1, 2, 13, 23, 26, 46, 157, 299, 314, 598, 2041, 2221, 3611, 4082, 4442, 7222, 28873, 46943, 51083, 57746, 93886, 102166, 348697, 664079, 697394, 1328158, 4533061, 8020031, 9066122, 16040062, 104260403, 208520806]

約数ペア:

[(1, 208520806), (2, 104260403), (13, 16040062), (23, 9066122), (26, 8020031), (46, 4533061), (157, 1328158), (299, 697394), (314, 664079), (598, 348697), (2041, 102166), (2221, 93886), (3611, 57746), (4082, 51083), (4442, 46943), (7222, 28873)]