28710830

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{6481}}^1$

素因数の和:6931

約数の個数: 16

約数和(自身を含む): 51804144

約数和(自身を除く): 23093314

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 6481, 12962, 32405, 64810, 2871083, 5742166, 14355415, 28710830]

約数ペア:

[(1, 28710830), (2, 14355415), (5, 5742166), (10, 2871083), (443, 64810), (886, 32405), (2215, 12962), (4430, 6481)]