12815830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55721}}^1$

素因数の和:55751

約数の個数: 16

約数和(自身を含む): 24071904

約数和(自身を除く): 11256074

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 55721, 111442, 278605, 557210, 1281583, 2563166, 6407915, 12815830]

約数ペア:

[(1, 12815830), (2, 6407915), (5, 2563166), (10, 1281583), (23, 557210), (46, 278605), (115, 111442), (230, 55721)]