218702975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 284124672

約数和(自身を除く): 65421697

約数列:

[1, 5, 23, 25, 115, 311, 575, 1223, 1555, 6115, 7153, 7775, 28129, 30575, 35765, 140645, 178825, 380353, 703225, 1901765, 8748119, 9508825, 43740595, 218702975]

約数ペア:

[(1, 218702975), (5, 43740595), (23, 9508825), (25, 8748119), (115, 1901765), (311, 703225), (575, 380353), (1223, 178825), (1555, 140645), (6115, 35765), (7153, 30575), (7775, 28129)]