28072135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 13860665

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 599, 721, 1339, 2995, 3605, 4193, 6695, 7787, 9373, 20965, 38935, 46865, 54509, 61697, 272545, 308485, 431879, 802061, 2159395, 4010305, 5614427, 28072135]

約数ペア:

[(1, 28072135), (5, 5614427), (7, 4010305), (13, 2159395), (35, 802061), (65, 431879), (91, 308485), (103, 272545), (455, 61697), (515, 54509), (599, 46865), (721, 38935), (1339, 20965), (2995, 9373), (3605, 7787), (4193, 6695)]