128782835

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{2621}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 160088832

約数和(自身を除く): 31305997

約数列:

[1, 5, 31, 155, 317, 1585, 2621, 9827, 13105, 49135, 81251, 406255, 830857, 4154285, 25756567, 128782835]

約数ペア:

[(1, 128782835), (5, 25756567), (31, 4154285), (155, 830857), (317, 406255), (1585, 81251), (2621, 49135), (9827, 13105)]