81213284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{10957}}^1$

素因数の和:11087

約数の個数: 24

約数和(自身を含む): 151877880

約数和(自身を除く): 70664596

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 3706, 7412, 10957, 21914, 43828, 186269, 372538, 745076, 1194313, 2388626, 4777252, 20303321, 40606642, 81213284]

約数ペア:

[(1, 81213284), (2, 40606642), (4, 20303321), (17, 4777252), (34, 2388626), (68, 1194313), (109, 745076), (218, 372538), (436, 186269), (1853, 43828), (3706, 21914), (7412, 10957)]