1331964478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1\times {\mathrm{20177}}^1$

素因数の和:22731

約数の個数: 16

約数和(自身を含む): 2152589040

約数和(自身を除く): 820624562

約数列:

[1, 2, 13, 26, 2539, 5078, 20177, 33007, 40354, 66014, 262301, 524602, 51229403, 102458806, 665982239, 1331964478]

約数ペア:

[(1, 1331964478), (2, 665982239), (13, 102458806), (26, 51229403), (2539, 524602), (5078, 262301), (20177, 66014), (33007, 40354)]