28790825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 42788928

約数和(自身を除く): 13998103

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 311, 529, 575, 805, 1555, 2177, 2645, 3703, 4025, 7153, 7775, 10885, 13225, 18515, 35765, 50071, 54425, 92575, 164519, 178825, 250355, 822595, 1151633, 1251775, 4112975, 5758165, 28790825]

約数ペア:

[(1, 28790825), (5, 5758165), (7, 4112975), (23, 1251775), (25, 1151633), (35, 822595), (115, 250355), (161, 178825), (175, 164519), (311, 92575), (529, 54425), (575, 50071), (805, 35765), (1555, 18515), (2177, 13225), (2645, 10885), (3703, 7775), (4025, 7153)]