256211529

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{200009}}^1$

素因数の和:200080

約数の個数: 16

約数和(自身を含む): 396819840

約数和(自身を除く): 140608311

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 200009, 600027, 1400063, 4200189, 12200549, 36601647, 85403843, 256211529]

約数ペア:

[(1, 256211529), (3, 85403843), (7, 36601647), (21, 12200549), (61, 4200189), (183, 1400063), (427, 600027), (1281, 200009)]