7426978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 12047616

約数和(自身を除く): 4620638

約数列:

[1, 2, 13, 26, 331, 662, 863, 1726, 4303, 8606, 11219, 22438, 285653, 571306, 3713489, 7426978]

約数ペア:

[(1, 7426978), (2, 3713489), (13, 571306), (26, 285653), (331, 22438), (662, 11219), (863, 8606), (1726, 4303)]