2087106775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10903}}^1$

素因数の和:10976

約数の個数: 48

約数和(自身を含む): 3028695040

約数和(自身を除く): 941588265

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 247, 325, 403, 475, 589, 775, 1235, 2015, 2945, 6175, 7657, 10075, 10903, 14725, 38285, 54515, 141739, 191425, 207157, 272575, 337993, 708695, 1035785, 1689965, 2693041, 3543475, 4393909, 5178925, 6421867, 8449825, 13465205, 21969545, 32109335, 67326025, 83484271, 109847725, 160546675, 417421355, 2087106775]

約数ペア:

[(1, 2087106775), (5, 417421355), (13, 160546675), (19, 109847725), (25, 83484271), (31, 67326025), (65, 32109335), (95, 21969545), (155, 13465205), (247, 8449825), (325, 6421867), (403, 5178925), (475, 4393909), (589, 3543475), (775, 2693041), (1235, 1689965), (2015, 1035785), (2945, 708695), (6175, 337993), (7657, 272575), (10075, 207157), (10903, 191425), (14725, 141739), (38285, 54515)]