85287215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 118298880

約数和(自身を除く): 33011665

約数列:

[1, 5, 13, 17, 65, 79, 85, 221, 395, 977, 1027, 1105, 1343, 4885, 5135, 6715, 12701, 16609, 17459, 63505, 77183, 83045, 87295, 215917, 385915, 1003379, 1079585, 1312111, 5016895, 6560555, 17057443, 85287215]

約数ペア:

[(1, 85287215), (5, 17057443), (13, 6560555), (17, 5016895), (65, 1312111), (79, 1079585), (85, 1003379), (221, 385915), (395, 215917), (977, 87295), (1027, 83045), (1105, 77183), (1343, 63505), (4885, 17459), (5135, 16609), (6715, 12701)]