161721391321

素因数分解:

$7^1\times {\mathrm{229}}^1\times {\mathrm{12503}}^1\times {\mathrm{8069}}^1$

素因数の和:20808

約数の個数: 16

約数和(自身を含む): 185669395200

約数和(自身を除く): 23948003879

約数列:

[1, 7, 229, 1603, 8069, 12503, 56483, 87521, 1847801, 2863187, 12934607, 20042309, 100886707, 706206949, 23103055903, 161721391321]

約数ペア:

[(1, 161721391321), (7, 23103055903), (229, 706206949), (1603, 100886707), (8069, 20042309), (12503, 12934607), (56483, 2863187), (87521, 1847801)]