28423630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123581}}^1$

素因数の和:123611

約数の個数: 16

約数和(自身を含む): 53387424

約数和(自身を除く): 24963794

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123581, 247162, 617905, 1235810, 2842363, 5684726, 14211815, 28423630]

約数ペア:

[(1, 28423630), (2, 14211815), (5, 5684726), (10, 2842363), (23, 1235810), (46, 617905), (115, 247162), (230, 123581)]