20170913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3527}}^1$

素因数の和:3596

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4666207

約数列:

[1, 7, 19, 43, 133, 301, 817, 3527, 5719, 24689, 67013, 151661, 469091, 1061627, 2881559, 20170913]

約数ペア:

[(1, 20170913), (7, 2881559), (19, 1061627), (43, 469091), (133, 151661), (301, 67013), (817, 24689), (3527, 5719)]