81735290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89819}}^1$

素因数の和:89846

約数の個数: 32

約数和(自身を含む): 181077120

約数和(自身を除く): 99341830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89819, 179638, 449095, 628733, 898190, 1167647, 1257466, 2335294, 3143665, 5838235, 6287330, 8173529, 11676470, 16347058, 40867645, 81735290]

約数ペア:

[(1, 81735290), (2, 40867645), (5, 16347058), (7, 11676470), (10, 8173529), (13, 6287330), (14, 5838235), (26, 3143665), (35, 2335294), (65, 1257466), (70, 1167647), (91, 898190), (130, 628733), (182, 449095), (455, 179638), (910, 89819)]