128810101

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{15877}}^1$

素因数の和:15964

約数の個数: 16

約数和(自身を含む): 157509760

約数和(自身を除く): 28699659

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 15877, 111139, 301663, 968497, 2111641, 6779479, 18401443, 128810101]

約数ペア:

[(1, 128810101), (7, 18401443), (19, 6779479), (61, 2111641), (133, 968497), (427, 301663), (1159, 111139), (8113, 15877)]