145215785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 218194560

約数和(自身を除く): 72978775

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 187, 221, 715, 845, 919, 935, 1105, 1859, 2431, 2873, 4595, 9295, 10109, 11947, 12155, 14365, 15623, 31603, 50545, 59735, 78115, 131417, 155311, 158015, 171853, 203099, 657085, 776555, 859265, 1015495, 1708421, 2234089, 2640287, 8542105, 11170445, 13201435, 29043157, 145215785]

約数ペア:

[(1, 145215785), (5, 29043157), (11, 13201435), (13, 11170445), (17, 8542105), (55, 2640287), (65, 2234089), (85, 1708421), (143, 1015495), (169, 859265), (187, 776555), (221, 657085), (715, 203099), (845, 171853), (919, 158015), (935, 155311), (1105, 131417), (1859, 78115), (2431, 59735), (2873, 50545), (4595, 31603), (9295, 15623), (10109, 14365), (11947, 12155)]