51231570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131363}}^1$

素因数の和:131386

約数の個数: 32

約数和(自身を含む): 132414912

約数和(自身を除く): 81183342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 131363, 262726, 394089, 656815, 788178, 1313630, 1707719, 1970445, 3415438, 3940890, 5123157, 8538595, 10246314, 17077190, 25615785, 51231570]

約数ペア:

[(1, 51231570), (2, 25615785), (3, 17077190), (5, 10246314), (6, 8538595), (10, 5123157), (13, 3940890), (15, 3415438), (26, 1970445), (30, 1707719), (39, 1313630), (65, 788178), (78, 656815), (130, 394089), (195, 262726), (390, 131363)]