263497247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{1451}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 289877280

約数和(自身を除く): 26380033

約数列:

[1, 13, 61, 229, 793, 1451, 2977, 13969, 18863, 88511, 181597, 332279, 1150643, 4319627, 20269019, 263497247]

約数ペア:

[(1, 263497247), (13, 20269019), (61, 4319627), (229, 1150643), (793, 332279), (1451, 181597), (2977, 88511), (13969, 18863)]