397892690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1\times {\mathrm{2239}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 772208640

約数和(自身を除く): 374315950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1367, 2239, 2734, 4478, 6835, 11195, 13670, 17771, 22390, 29107, 35542, 58214, 88855, 145535, 177710, 291070, 3060713, 6121426, 15303565, 30607130, 39789269, 79578538, 198946345, 397892690]

約数ペア:

[(1, 397892690), (2, 198946345), (5, 79578538), (10, 39789269), (13, 30607130), (26, 15303565), (65, 6121426), (130, 3060713), (1367, 291070), (2239, 177710), (2734, 145535), (4478, 88855), (6835, 58214), (11195, 35542), (13670, 29107), (17771, 22390)]