218720735

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{1607}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 265821696

約数和(自身を除く): 47100961

約数列:

[1, 5, 163, 167, 815, 835, 1607, 8035, 27221, 136105, 261941, 268369, 1309705, 1341845, 43744147, 218720735]

約数ペア:

[(1, 218720735), (5, 43744147), (163, 1341845), (167, 1309705), (815, 268369), (835, 261941), (1607, 136105), (8035, 27221)]