280704216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{899693}}^1$

素因数の和:899715

約数の個数: 32

約数和(自身を含む): 755742960

約数和(自身を除く): 475038744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 899693, 1799386, 2699079, 3598772, 5398158, 7197544, 10796316, 11696009, 21592632, 23392018, 35088027, 46784036, 70176054, 93568072, 140352108, 280704216]

約数ペア:

[(1, 280704216), (2, 140352108), (3, 93568072), (4, 70176054), (6, 46784036), (8, 35088027), (12, 23392018), (13, 21592632), (24, 11696009), (26, 10796316), (39, 7197544), (52, 5398158), (78, 3598772), (104, 2699079), (156, 1799386), (312, 899693)]