81365888

素因数分解:

$2^7\times {\mathrm{263}}^1\times {\mathrm{2417}}^1$

素因数の和:2694

約数の個数: 32

約数和(自身を含む): 162779760

約数和(自身を除く): 81413872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 263, 526, 1052, 2104, 2417, 4208, 4834, 8416, 9668, 16832, 19336, 33664, 38672, 77344, 154688, 309376, 635671, 1271342, 2542684, 5085368, 10170736, 20341472, 40682944, 81365888]

約数ペア:

[(1, 81365888), (2, 40682944), (4, 20341472), (8, 10170736), (16, 5085368), (32, 2542684), (64, 1271342), (128, 635671), (263, 309376), (526, 154688), (1052, 77344), (2104, 38672), (2417, 33664), (4208, 19336), (4834, 16832), (8416, 9668)]