71493821

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 87595200

約数和(自身を除く): 16101379

約数列:

[1, 7, 23, 43, 161, 301, 449, 529, 989, 3143, 3703, 6923, 10327, 19307, 22747, 72289, 135149, 159229, 237521, 444061, 1662647, 3108427, 10213403, 71493821]

約数ペア:

[(1, 71493821), (7, 10213403), (23, 3108427), (43, 1662647), (161, 444061), (301, 237521), (449, 159229), (529, 135149), (989, 72289), (3143, 22747), (3703, 19307), (6923, 10327)]