217808135

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{3967}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 266649600

約数和(自身を除く): 48841465

約数列:

[1, 5, 79, 139, 395, 695, 3967, 10981, 19835, 54905, 313393, 551413, 1566965, 2757065, 43561627, 217808135]

約数ペア:

[(1, 217808135), (5, 43561627), (79, 2757065), (139, 1566965), (395, 551413), (695, 313393), (3967, 54905), (10981, 19835)]