1280451472

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{461}}^1\times {\mathrm{2591}}^1$

素因数の和:3127

約数の個数: 40

約数和(自身を含む): 2524338432

約数和(自身を除く): 1243886960

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 461, 536, 922, 1072, 1844, 2591, 3688, 5182, 7376, 10364, 20728, 30887, 41456, 61774, 123548, 173597, 247096, 347194, 494192, 694388, 1194451, 1388776, 2388902, 2777552, 4777804, 9555608, 19111216, 80028217, 160056434, 320112868, 640225736, 1280451472]

約数ペア:

[(1, 1280451472), (2, 640225736), (4, 320112868), (8, 160056434), (16, 80028217), (67, 19111216), (134, 9555608), (268, 4777804), (461, 2777552), (536, 2388902), (922, 1388776), (1072, 1194451), (1844, 694388), (2591, 494192), (3688, 347194), (5182, 247096), (7376, 173597), (10364, 123548), (20728, 61774), (30887, 41456)]