81263332

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{70297}}^1$

素因数の和:70335

約数の個数: 18

約数和(自身を含む): 151070402

約数和(自身を除く): 69807070

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 70297, 140594, 281188, 1195049, 2390098, 4780196, 20315833, 40631666, 81263332]

約数ペア:

[(1, 81263332), (2, 40631666), (4, 20315833), (17, 4780196), (34, 2390098), (68, 1195049), (289, 281188), (578, 140594), (1156, 70297)]