2017219975

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{499}}^1\times {\mathrm{1601}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 2532762000

約数和(自身を除く): 515542025

約数列:

[1, 5, 25, 101, 499, 505, 1601, 2495, 2525, 8005, 12475, 40025, 50399, 161701, 251995, 798899, 808505, 1259975, 3994495, 4042525, 19972475, 80688799, 403443995, 2017219975]

約数ペア:

[(1, 2017219975), (5, 403443995), (25, 80688799), (101, 19972475), (499, 4042525), (505, 3994495), (1601, 1259975), (2495, 808505), (2525, 798899), (8005, 251995), (12475, 161701), (40025, 50399)]