216868990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{7349}}^1$

素因数の和:7596

約数の個数: 32

約数和(自身を含む): 422301600

約数和(自身を除く): 205432610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2951, 5902, 7349, 14698, 14755, 29510, 36745, 73490, 95537, 191074, 477685, 955370, 1668223, 3336446, 8341115, 16682230, 21686899, 43373798, 108434495, 216868990]

約数ペア:

[(1, 216868990), (2, 108434495), (5, 43373798), (10, 21686899), (13, 16682230), (26, 8341115), (65, 3336446), (130, 1668223), (227, 955370), (454, 477685), (1135, 191074), (2270, 95537), (2951, 73490), (5902, 36745), (7349, 29510), (14698, 14755)]