2172245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 2747520

約数和(自身を除く): 575275

約数列:

[1, 5, 29, 71, 145, 211, 355, 1055, 2059, 6119, 10295, 14981, 30595, 74905, 434449, 2172245]

約数ペア:

[(1, 2172245), (5, 434449), (29, 74905), (71, 30595), (145, 14981), (211, 10295), (355, 6119), (1055, 2059)]