213699145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{9787}}^1$

素因数の和:10200

約数の個数: 16

約数和(自身を含む): 280484928

約数和(自身を除く): 66785783

約数列:

[1, 5, 11, 55, 397, 1985, 4367, 9787, 21835, 48935, 107657, 538285, 3885439, 19427195, 42739829, 213699145]

約数ペア:

[(1, 213699145), (5, 42739829), (11, 19427195), (55, 3885439), (397, 538285), (1985, 107657), (4367, 48935), (9787, 21835)]