257029656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 721405440

約数和(自身を除く): 464375784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 71, 78, 82, 104, 123, 142, 156, 164, 213, 246, 283, 284, 312, 328, 426, 492, 533, 566, 568, 849, 852, 923, 984, 1066, 1132, 1599, 1698, 1704, 1846, 2132, 2264, 2769, 2911, 3198, 3396, 3679, 3692, 4264, 5538, 5822, 6396, 6792, 7358, 7384, 8733, 11037, 11076, 11603, 11644, 12792, 14716, 17466, 20093, 22074, 22152, 23206, 23288, 29432, 34809, 34932, 37843, 40186, 44148, 46412, 60279, 69618, 69864, 75686, 80372, 88296, 92824, 113529, 120558, 139236, 150839, 151372, 160744, 227058, 241116, 261209, 278472, 301678, 302744, 452517, 454116, 482232, 522418, 603356, 783627, 823813, 905034, 908232, 1044836, 1206712, 1567254, 1647626, 1810068, 2089672, 2471439, 3134508, 3295252, 3620136, 4942878, 6269016, 6590504, 9885756, 10709569, 19771512, 21419138, 32128707, 42838276, 64257414, 85676552, 128514828, 257029656]

約数ペア:

[(1, 257029656), (2, 128514828), (3, 85676552), (4, 64257414), (6, 42838276), (8, 32128707), (12, 21419138), (13, 19771512), (24, 10709569), (26, 9885756), (39, 6590504), (41, 6269016), (52, 4942878), (71, 3620136), (78, 3295252), (82, 3134508), (104, 2471439), (123, 2089672), (142, 1810068), (156, 1647626), (164, 1567254), (213, 1206712), (246, 1044836), (283, 908232), (284, 905034), (312, 823813), (328, 783627), (426, 603356), (492, 522418), (533, 482232), (566, 454116), (568, 452517), (849, 302744), (852, 301678), (923, 278472), (984, 261209), (1066, 241116), (1132, 227058), (1599, 160744), (1698, 151372), (1704, 150839), (1846, 139236), (2132, 120558), (2264, 113529), (2769, 92824), (2911, 88296), (3198, 80372), (3396, 75686), (3679, 69864), (3692, 69618), (4264, 60279), (5538, 46412), (5822, 44148), (6396, 40186), (6792, 37843), (7358, 34932), (7384, 34809), (8733, 29432), (11037, 23288), (11076, 23206), (11603, 22152), (11644, 22074), (12792, 20093), (14716, 17466)]