778825216

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6883}}^1$

素因数の和:6931

約数の個数: 80

約数和(自身を含む): 1774667664

約数和(自身を除く): 995842448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3536, 4352, 6656, 6883, 7072, 8704, 13766, 14144, 27532, 28288, 55064, 56576, 89479, 110128, 113152, 117011, 178958, 220256, 234022, 357916, 440512, 468044, 715832, 881024, 936088, 1431664, 1521143, 1762048, 1872176, 2863328, 3042286, 3524096, 3744352, 5726656, 6084572, 7488704, 11453312, 12169144, 14977408, 22906624, 24338288, 29954816, 45813248, 48676576, 59909632, 97353152, 194706304, 389412608, 778825216]

約数ペア:

[(1, 778825216), (2, 389412608), (4, 194706304), (8, 97353152), (13, 59909632), (16, 48676576), (17, 45813248), (26, 29954816), (32, 24338288), (34, 22906624), (52, 14977408), (64, 12169144), (68, 11453312), (104, 7488704), (128, 6084572), (136, 5726656), (208, 3744352), (221, 3524096), (256, 3042286), (272, 2863328), (416, 1872176), (442, 1762048), (512, 1521143), (544, 1431664), (832, 936088), (884, 881024), (1088, 715832), (1664, 468044), (1768, 440512), (2176, 357916), (3328, 234022), (3536, 220256), (4352, 178958), (6656, 117011), (6883, 113152), (7072, 110128), (8704, 89479), (13766, 56576), (14144, 55064), (27532, 28288)]