197990416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{1151}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 413973504

約数和(自身を除く): 215983088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 827, 1151, 1654, 2302, 3308, 4604, 6616, 9208, 10751, 13232, 14963, 18416, 21502, 29926, 43004, 59852, 86008, 119704, 172016, 239408, 951877, 1903754, 3807508, 7615016, 12374401, 15230032, 24748802, 49497604, 98995208, 197990416]

約数ペア:

[(1, 197990416), (2, 98995208), (4, 49497604), (8, 24748802), (13, 15230032), (16, 12374401), (26, 7615016), (52, 3807508), (104, 1903754), (208, 951877), (827, 239408), (1151, 172016), (1654, 119704), (2302, 86008), (3308, 59852), (4604, 43004), (6616, 29926), (9208, 21502), (10751, 18416), (13232, 14963)]