90439414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 149597280

約数和(自身を除く): 59157866

約数列:

[1, 2, 13, 26, 67, 134, 193, 269, 386, 538, 871, 1742, 2509, 3497, 5018, 6994, 12931, 18023, 25862, 36046, 51917, 103834, 168103, 234299, 336206, 468598, 674921, 1349842, 3478439, 6956878, 45219707, 90439414]

約数ペア:

[(1, 90439414), (2, 45219707), (13, 6956878), (26, 3478439), (67, 1349842), (134, 674921), (193, 468598), (269, 336206), (386, 234299), (538, 168103), (871, 103834), (1742, 51917), (2509, 36046), (3497, 25862), (5018, 18023), (6994, 12931)]