815931142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{239557}}^1$

素因数の和:239703

約数の個数: 16

約数和(自身を含む): 1328109552

約数和(自身を除く): 512178410

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 239557, 479114, 3114241, 6228482, 31381967, 62763934, 407965571, 815931142]

約数ペア:

[(1, 815931142), (2, 407965571), (13, 62763934), (26, 31381967), (131, 6228482), (262, 3114241), (1703, 479114), (3406, 239557)]