81177176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1907}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 161760240

約数和(自身を除く): 80583064

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 626, 1252, 1907, 2504, 3814, 5321, 7628, 10642, 15256, 21284, 32419, 42568, 64838, 129676, 259352, 596891, 1193782, 2387564, 4775128, 10147147, 20294294, 40588588, 81177176]

約数ペア:

[(1, 81177176), (2, 40588588), (4, 20294294), (8, 10147147), (17, 4775128), (34, 2387564), (68, 1193782), (136, 596891), (313, 259352), (626, 129676), (1252, 64838), (1907, 42568), (2504, 32419), (3814, 21284), (5321, 15256), (7628, 10642)]