257285496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20113}}^1$

素因数の和:20176

約数の個数: 64

約数和(自身を含む): 709621920

約数和(自身を除く): 452336424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 2132, 3198, 4264, 6396, 12792, 20113, 40226, 60339, 80452, 120678, 160904, 241356, 261469, 482712, 522938, 784407, 824633, 1045876, 1568814, 1649266, 2091752, 2473899, 3137628, 3298532, 4947798, 6275256, 6597064, 9895596, 10720229, 19791192, 21440458, 32160687, 42880916, 64321374, 85761832, 128642748, 257285496]

約数ペア:

[(1, 257285496), (2, 128642748), (3, 85761832), (4, 64321374), (6, 42880916), (8, 32160687), (12, 21440458), (13, 19791192), (24, 10720229), (26, 9895596), (39, 6597064), (41, 6275256), (52, 4947798), (78, 3298532), (82, 3137628), (104, 2473899), (123, 2091752), (156, 1649266), (164, 1568814), (246, 1045876), (312, 824633), (328, 784407), (492, 522938), (533, 482712), (984, 261469), (1066, 241356), (1599, 160904), (2132, 120678), (3198, 80452), (4264, 60339), (6396, 40226), (12792, 20113)]