489627985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{2441}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 734241024

約数和(自身を除く): 244613039

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 521, 2441, 2605, 3647, 5731, 12205, 17087, 18235, 26851, 28655, 40117, 85435, 134255, 187957, 200585, 939785, 1271761, 6358805, 8902327, 13989371, 44511635, 69946855, 97925597, 489627985]

約数ペア:

[(1, 489627985), (5, 97925597), (7, 69946855), (11, 44511635), (35, 13989371), (55, 8902327), (77, 6358805), (385, 1271761), (521, 939785), (2441, 200585), (2605, 187957), (3647, 134255), (5731, 85435), (12205, 40117), (17087, 28655), (18235, 26851)]