388307530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{1951}}^1$

素因数の和:3502

約数の個数: 32

約数和(自身を含む): 753596928

約数和(自身を除く): 365289398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1531, 1951, 3062, 3902, 7655, 9755, 15310, 19510, 19903, 25363, 39806, 50726, 99515, 126815, 199030, 253630, 2986981, 5973962, 14934905, 29869810, 38830753, 77661506, 194153765, 388307530]

約数ペア:

[(1, 388307530), (2, 194153765), (5, 77661506), (10, 38830753), (13, 29869810), (26, 14934905), (65, 5973962), (130, 2986981), (1531, 253630), (1951, 199030), (3062, 126815), (3902, 99515), (7655, 50726), (9755, 39806), (15310, 25363), (19510, 19903)]