388027871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1451}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 508502016

約数和(自身を除く): 120474145

約数列:

[1, 7, 11, 23, 77, 151, 161, 253, 1057, 1451, 1661, 1771, 3473, 10157, 11627, 15961, 24311, 33373, 38203, 111727, 219101, 233611, 267421, 367103, 1533707, 2410111, 2569721, 5039323, 16870777, 35275261, 55432553, 388027871]

約数ペア:

[(1, 388027871), (7, 55432553), (11, 35275261), (23, 16870777), (77, 5039323), (151, 2569721), (161, 2410111), (253, 1533707), (1057, 367103), (1451, 267421), (1661, 233611), (1771, 219101), (3473, 111727), (10157, 38203), (11627, 33373), (15961, 24311)]