123780016

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{145967}}^1$

素因数の和:146028

約数の個数: 20

約数和(自身を含む): 244350432

約数和(自身を除く): 120570416

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 145967, 291934, 583868, 1167736, 2335472, 7736251, 15472502, 30945004, 61890008, 123780016]

約数ペア:

[(1, 123780016), (2, 61890008), (4, 30945004), (8, 15472502), (16, 7736251), (53, 2335472), (106, 1167736), (212, 583868), (424, 291934), (848, 145967)]