1280821672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{115099}}^1$

素因数の和:115225

約数の個数: 32

約数和(自身を含む): 2610468000

約数和(自身を除く): 1329646328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 11128, 115099, 230198, 460396, 920792, 1496287, 2992574, 5985148, 11970296, 12315593, 24631186, 49262372, 98524744, 160102709, 320205418, 640410836, 1280821672]

約数ペア:

[(1, 1280821672), (2, 640410836), (4, 320205418), (8, 160102709), (13, 98524744), (26, 49262372), (52, 24631186), (104, 12315593), (107, 11970296), (214, 5985148), (428, 2992574), (856, 1496287), (1391, 920792), (2782, 460396), (5564, 230198), (11128, 115099)]