1390370401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{57191}}^1$

素因数の和:57372

約数の個数: 16

約数和(自身を含む): 1669091328

約数和(自身を除く): 278720927

約数列:

[1, 7, 23, 151, 161, 1057, 3473, 24311, 57191, 400337, 1315393, 8635841, 9207751, 60450887, 198624343, 1390370401]

約数ペア:

[(1, 1390370401), (7, 198624343), (23, 60450887), (151, 9207751), (161, 8635841), (1057, 1315393), (3473, 400337), (24311, 57191)]