390351455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1319}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 525571200

約数和(自身を除く): 135219745

約数列:

[1, 5, 13, 29, 65, 145, 157, 377, 785, 1319, 1885, 2041, 4553, 6595, 10205, 17147, 22765, 38251, 59189, 85735, 191255, 207083, 295945, 497263, 1035415, 2486315, 2692079, 6005407, 13460395, 30027035, 78070291, 390351455]

約数ペア:

[(1, 390351455), (5, 78070291), (13, 30027035), (29, 13460395), (65, 6005407), (145, 2692079), (157, 2486315), (377, 1035415), (785, 497263), (1319, 295945), (1885, 207083), (2041, 191255), (4553, 85735), (6595, 59189), (10205, 38251), (17147, 22765)]