17571421

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 3855779

約数列:

[1, 7, 17, 119, 149, 991, 1043, 2533, 6937, 16847, 17731, 117929, 147659, 1033613, 2510203, 17571421]

約数ペア:

[(1, 17571421), (7, 2510203), (17, 1033613), (119, 147659), (149, 117929), (991, 17731), (1043, 16847), (2533, 6937)]