128258879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{8951}}^1$

素因数の和:9070

約数の個数: 16

約数和(自身を含む): 154690560

約数和(自身を除く): 26431681

約数列:

[1, 7, 23, 89, 161, 623, 2047, 8951, 14329, 62657, 205873, 796639, 1441111, 5576473, 18322697, 128258879]

約数ペア:

[(1, 128258879), (7, 18322697), (23, 5576473), (89, 1441111), (161, 796639), (623, 205873), (2047, 62657), (8951, 14329)]