426533390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 824878080

約数和(自身を除く): 398344690

約数列:

[1, 2, 5, 10, 23, 46, 67, 89, 115, 134, 178, 230, 311, 335, 445, 622, 670, 890, 1541, 1555, 2047, 3082, 3110, 4094, 5963, 7153, 7705, 10235, 11926, 14306, 15410, 20470, 20837, 27679, 29815, 35765, 41674, 55358, 59630, 71530, 104185, 137149, 138395, 208370, 274298, 276790, 479251, 636617, 685745, 958502, 1273234, 1371490, 1854493, 2396255, 3183085, 3708986, 4792510, 6366170, 9272465, 18544930, 42653339, 85306678, 213266695, 426533390]

約数ペア:

[(1, 426533390), (2, 213266695), (5, 85306678), (10, 42653339), (23, 18544930), (46, 9272465), (67, 6366170), (89, 4792510), (115, 3708986), (134, 3183085), (178, 2396255), (230, 1854493), (311, 1371490), (335, 1273234), (445, 958502), (622, 685745), (670, 636617), (890, 479251), (1541, 276790), (1555, 274298), (2047, 208370), (3082, 138395), (3110, 137149), (4094, 104185), (5963, 71530), (7153, 59630), (7705, 55358), (10235, 41674), (11926, 35765), (14306, 29815), (15410, 27679), (20470, 20837)]