129140048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260363}}^1$

素因数の和:260402

約数の個数: 20

約数和(自身を含む): 258281088

約数和(自身を除く): 129141040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260363, 520726, 1041452, 2082904, 4165808, 8071253, 16142506, 32285012, 64570024, 129140048]

約数ペア:

[(1, 129140048), (2, 64570024), (4, 32285012), (8, 16142506), (16, 8071253), (31, 4165808), (62, 2082904), (124, 1041452), (248, 520726), (496, 260363)]