261570863541

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{821}}^1\times {\mathrm{6101}}^1$

素因数の和:7054

約数の個数: 48

約数和(自身を含む): 381846172032

約数和(自身を除く): 120275308491

約数列:

[1, 3, 13, 39, 103, 169, 309, 507, 821, 1339, 2463, 4017, 6101, 10673, 17407, 18303, 32019, 52221, 79313, 84563, 138749, 237939, 253689, 416247, 628403, 1031069, 1099319, 1885209, 3093207, 3297957, 5008921, 8169239, 14291147, 15026763, 24507717, 42873441, 65115973, 106200107, 195347919, 318600321, 515918863, 846507649, 1547756589, 2539522947, 6706945219, 20120835657, 87190287847, 261570863541]

約数ペア:

[(1, 261570863541), (3, 87190287847), (13, 20120835657), (39, 6706945219), (103, 2539522947), (169, 1547756589), (309, 846507649), (507, 515918863), (821, 318600321), (1339, 195347919), (2463, 106200107), (4017, 65115973), (6101, 42873441), (10673, 24507717), (17407, 15026763), (18303, 14291147), (32019, 8169239), (52221, 5008921), (79313, 3297957), (84563, 3093207), (138749, 1885209), (237939, 1099319), (253689, 1031069), (416247, 628403)]