1289404403

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{9029}}^1$

素因数の和:9946

約数の個数: 16

約数和(自身を含む): 1539578880

約数和(自身を除く): 250174477

約数列:

[1, 7, 23, 161, 887, 6209, 9029, 20401, 63203, 142807, 207667, 1453669, 8008723, 56061061, 184200629, 1289404403]

約数ペア:

[(1, 1289404403), (7, 184200629), (23, 56061061), (161, 8008723), (887, 1453669), (6209, 207667), (9029, 142807), (20401, 63203)]