213789023

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{4259}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 250283520

約数和(自身を除く): 36494497

約数列:

[1, 7, 71, 101, 497, 707, 4259, 7171, 29813, 50197, 302389, 430159, 2116723, 3011113, 30541289, 213789023]

約数ペア:

[(1, 213789023), (7, 30541289), (71, 3011113), (101, 2116723), (497, 430159), (707, 302389), (4259, 50197), (7171, 29813)]