81810392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20743}}^1$

素因数の和:20795

約数の個数: 32

約数和(自身を含む): 168026400

約数和(自身を除く): 86216008

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 20743, 41486, 82972, 165944, 352631, 601547, 705262, 1203094, 1410524, 2406188, 2821048, 4812376, 10226299, 20452598, 40905196, 81810392]

約数ペア:

[(1, 81810392), (2, 40905196), (4, 20452598), (8, 10226299), (17, 4812376), (29, 2821048), (34, 2406188), (58, 1410524), (68, 1203094), (116, 705262), (136, 601547), (232, 352631), (493, 165944), (986, 82972), (1972, 41486), (3944, 20743)]