220221505

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{216967}}^1$

素因数の和:217008

約数の個数: 16

約数和(自身を含む): 312433920

約数和(自身を除く): 92212415

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 216967, 1084835, 1518769, 6292043, 7593845, 31460215, 44044301, 220221505]

約数ペア:

[(1, 220221505), (5, 44044301), (7, 31460215), (29, 7593845), (35, 6292043), (145, 1518769), (203, 1084835), (1015, 216967)]