1256556496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{355361}}^1$

素因数の和:355399

約数の個数: 40

約数和(自身を含む): 2776087944

約数和(自身を除く): 1519531448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 355361, 710722, 1421444, 2842888, 4619693, 5685776, 6041137, 9239386, 12082274, 18478772, 24164548, 36957544, 48329096, 73915088, 78534781, 96658192, 157069562, 314139124, 628278248, 1256556496]

約数ペア:

[(1, 1256556496), (2, 628278248), (4, 314139124), (8, 157069562), (13, 96658192), (16, 78534781), (17, 73915088), (26, 48329096), (34, 36957544), (52, 24164548), (68, 18478772), (104, 12082274), (136, 9239386), (208, 6041137), (221, 5685776), (272, 4619693), (442, 2842888), (884, 1421444), (1768, 710722), (3536, 355361)]