280590908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{80537}}^1$

素因数の和:80621

約数の個数: 24

約数和(自身を含む): 536705232

約数和(自身を除く): 256114324

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 80537, 161074, 322148, 1046981, 2093962, 4187924, 5395979, 10791958, 21583916, 70147727, 140295454, 280590908]

約数ペア:

[(1, 280590908), (2, 140295454), (4, 70147727), (13, 21583916), (26, 10791958), (52, 5395979), (67, 4187924), (134, 2093962), (268, 1046981), (871, 322148), (1742, 161074), (3484, 80537)]