65997808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{242639}}^1$

素因数の和:242664

約数の個数: 20

約数和(自身を含む): 135393120

約数和(自身を除く): 69395312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 242639, 485278, 970556, 1941112, 3882224, 4124863, 8249726, 16499452, 32998904, 65997808]

約数ペア:

[(1, 65997808), (2, 32998904), (4, 16499452), (8, 8249726), (16, 4124863), (17, 3882224), (34, 1941112), (68, 970556), (136, 485278), (272, 242639)]