89898655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 135198720

約数和(自身を除く): 45300065

約数列:

[1, 5, 7, 11, 35, 55, 77, 239, 385, 977, 1195, 1673, 2629, 4885, 6839, 8365, 10747, 13145, 18403, 34195, 53735, 75229, 92015, 233503, 376145, 1167515, 1634521, 2568533, 8172605, 12842665, 17979731, 89898655]

約数ペア:

[(1, 89898655), (5, 17979731), (7, 12842665), (11, 8172605), (35, 2568533), (55, 1634521), (77, 1167515), (239, 376145), (385, 233503), (977, 92015), (1195, 75229), (1673, 53735), (2629, 34195), (4885, 18403), (6839, 13145), (8365, 10747)]