261064609

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{49831}}^1$

素因数の和:49888

約数の個数: 12

約数和(自身を含む): 291816192

約数和(自身を除く): 30751583

約数列:

[1, 13, 31, 169, 403, 5239, 49831, 647803, 1544761, 8421439, 20081893, 261064609]

約数ペア:

[(1, 261064609), (13, 20081893), (31, 8421439), (169, 1544761), (403, 647803), (5239, 49831)]