1221005378

素因数分解:

$2^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1\times {\mathrm{7013}}^1$

素因数の和:7609

約数の個数: 16

約数和(自身を含む): 1844289216

約数和(自身を除く): 623283838

約数列:

[1, 2, 263, 331, 526, 662, 7013, 14026, 87053, 174106, 1844419, 2321303, 3688838, 4642606, 610502689, 1221005378]

約数ペア:

[(1, 1221005378), (2, 610502689), (263, 4642606), (331, 3688838), (526, 2321303), (662, 1844419), (7013, 174106), (14026, 87053)]