259023104

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 540008448

約数和(自身を除く): 280985344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 257, 496, 508, 514, 992, 1016, 1028, 1984, 2032, 2056, 3937, 3968, 4064, 4112, 7874, 7936, 7967, 8128, 8224, 15748, 15934, 16256, 16448, 31496, 31868, 32512, 32639, 32896, 62992, 63736, 65278, 65792, 125984, 127472, 130556, 251968, 254944, 261112, 503936, 509888, 522224, 1007872, 1011809, 1019776, 1044448, 2023618, 2039552, 2088896, 4047236, 4177792, 8094472, 8355584, 16188944, 32377888, 64755776, 129511552, 259023104]

約数ペア:

[(1, 259023104), (2, 129511552), (4, 64755776), (8, 32377888), (16, 16188944), (31, 8355584), (32, 8094472), (62, 4177792), (64, 4047236), (124, 2088896), (127, 2039552), (128, 2023618), (248, 1044448), (254, 1019776), (256, 1011809), (257, 1007872), (496, 522224), (508, 509888), (514, 503936), (992, 261112), (1016, 254944), (1028, 251968), (1984, 130556), (2032, 127472), (2056, 125984), (3937, 65792), (3968, 65278), (4064, 63736), (4112, 62992), (7874, 32896), (7936, 32639), (7967, 32512), (8128, 31868), (8224, 31496), (15748, 16448), (15934, 16256)]