388493707

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1409}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 480291120

約数和(自身を除く): 91797413

約数列:

[1, 7, 17, 49, 119, 331, 833, 1409, 2317, 5627, 9863, 16219, 23953, 39389, 69041, 167671, 275723, 466379, 1173697, 3264653, 7928443, 22852571, 55499101, 388493707]

約数ペア:

[(1, 388493707), (7, 55499101), (17, 22852571), (49, 7928443), (119, 3264653), (331, 1173697), (833, 466379), (1409, 275723), (2317, 167671), (5627, 69041), (9863, 39389), (16219, 23953)]