1291275544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{7669}}^1$

素因数の和:9307

約数の個数: 32

約数和(自身を含む): 2609334000

約数和(自身を除く): 1318058456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1619, 3238, 6476, 7669, 12952, 15338, 21047, 30676, 42094, 61352, 84188, 99697, 168376, 199394, 398788, 797576, 12416111, 24832222, 49664444, 99328888, 161409443, 322818886, 645637772, 1291275544]

約数ペア:

[(1, 1291275544), (2, 645637772), (4, 322818886), (8, 161409443), (13, 99328888), (26, 49664444), (52, 24832222), (104, 12416111), (1619, 797576), (3238, 398788), (6476, 199394), (7669, 168376), (12952, 99697), (15338, 84188), (21047, 61352), (30676, 42094)]