170780215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{1619}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 220818960

約数和(自身を除く): 50038745

約数列:

[1, 5, 17, 73, 85, 289, 365, 1241, 1445, 1619, 6205, 8095, 21097, 27523, 105485, 118187, 137615, 467891, 590935, 2009179, 2339455, 10045895, 34156043, 170780215]

約数ペア:

[(1, 170780215), (5, 34156043), (17, 10045895), (73, 2339455), (85, 2009179), (289, 590935), (365, 467891), (1241, 137615), (1445, 118187), (1619, 105485), (6205, 27523), (8095, 21097)]