28660015

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 36469440

約数和(自身を除く): 7809425

約数列:

[1, 5, 37, 53, 79, 185, 265, 395, 1369, 1961, 2923, 4187, 6845, 9805, 14615, 20935, 72557, 108151, 154919, 362785, 540755, 774595, 5732003, 28660015]

約数ペア:

[(1, 28660015), (5, 5732003), (37, 774595), (53, 540755), (79, 362785), (185, 154919), (265, 108151), (395, 72557), (1369, 20935), (1961, 14615), (2923, 9805), (4187, 6845)]