1297560643964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{20503771}}^1$

素因数の和:20505005

約数の個数: 24

約数和(自身を含む): 2447412241008

約数和(自身を除く): 1149851597044

約数列:

[1, 2, 4, 13, 26, 52, 1217, 2434, 4868, 15821, 31642, 63284, 20503771, 41007542, 82015084, 266549023, 533098046, 1066196092, 24953089307, 49906178614, 99812357228, 324390160991, 648780321982, 1297560643964]

約数ペア:

[(1, 1297560643964), (2, 648780321982), (4, 324390160991), (13, 99812357228), (26, 49906178614), (52, 24953089307), (1217, 1066196092), (2434, 533098046), (4868, 266549023), (15821, 82015084), (31642, 41007542), (63284, 20503771)]