257996856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22349}}^1$

素因数の和:22408

約数の個数: 64

約数和(自身を含む): 713412000

約数和(自身を除く): 455415144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1924, 2886, 3848, 5772, 11544, 22349, 44698, 67047, 89396, 134094, 178792, 268188, 290537, 536376, 581074, 826913, 871611, 1162148, 1653826, 1743222, 2324296, 2480739, 3307652, 3486444, 4961478, 6615304, 6972888, 9922956, 10749869, 19845912, 21499738, 32249607, 42999476, 64499214, 85998952, 128998428, 257996856]

約数ペア:

[(1, 257996856), (2, 128998428), (3, 85998952), (4, 64499214), (6, 42999476), (8, 32249607), (12, 21499738), (13, 19845912), (24, 10749869), (26, 9922956), (37, 6972888), (39, 6615304), (52, 4961478), (74, 3486444), (78, 3307652), (104, 2480739), (111, 2324296), (148, 1743222), (156, 1653826), (222, 1162148), (296, 871611), (312, 826913), (444, 581074), (481, 536376), (888, 290537), (962, 268188), (1443, 178792), (1924, 134094), (2886, 89396), (3848, 67047), (5772, 44698), (11544, 22349)]