78439412

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 140011872

約数和(自身を除く): 61572460

約数列:

[1, 2, 4, 61, 122, 244, 563, 571, 1126, 1142, 2252, 2284, 34343, 34831, 68686, 69662, 137372, 139324, 321473, 642946, 1285892, 19609853, 39219706, 78439412]

約数ペア:

[(1, 78439412), (2, 39219706), (4, 19609853), (61, 1285892), (122, 642946), (244, 321473), (563, 139324), (571, 137372), (1126, 69662), (1142, 68686), (2252, 34831), (2284, 34343)]