90291872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 195048000

約数和(自身を除く): 104756128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 352, 398, 796, 1289, 1592, 2189, 2578, 3184, 4378, 5156, 6368, 8756, 10312, 14179, 17512, 20624, 28358, 35024, 41248, 56716, 70048, 113432, 226864, 256511, 453728, 513022, 1026044, 2052088, 2821621, 4104176, 5643242, 8208352, 11286484, 22572968, 45145936, 90291872]

約数ペア:

[(1, 90291872), (2, 45145936), (4, 22572968), (8, 11286484), (11, 8208352), (16, 5643242), (22, 4104176), (32, 2821621), (44, 2052088), (88, 1026044), (176, 513022), (199, 453728), (352, 256511), (398, 226864), (796, 113432), (1289, 70048), (1592, 56716), (2189, 41248), (2578, 35024), (3184, 28358), (4378, 20624), (5156, 17512), (6368, 14179), (8756, 10312)]