257563154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{2801}}^1$

素因数の和:4825

約数の個数: 16

約数和(自身を含む): 403488000

約数和(自身を除く): 145924846

約数列:

[1, 2, 23, 46, 1999, 2801, 3998, 5602, 45977, 64423, 91954, 128846, 5599199, 11198398, 128781577, 257563154]

約数ペア:

[(1, 257563154), (2, 128781577), (23, 11198398), (46, 5599199), (1999, 128846), (2801, 91954), (3998, 64423), (5602, 45977)]