81967574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3584

約数の個数: 32

約数和(自身を含む): 142884000

約数和(自身を除く): 60916426

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 1378, 1802, 3499, 6998, 11713, 23426, 45487, 59483, 90974, 118966, 185447, 370894, 773279, 1546558, 2410811, 3152599, 4821622, 6305198, 40983787, 81967574]

約数ペア:

[(1, 81967574), (2, 40983787), (13, 6305198), (17, 4821622), (26, 3152599), (34, 2410811), (53, 1546558), (106, 773279), (221, 370894), (442, 185447), (689, 118966), (901, 90974), (1378, 59483), (1802, 45487), (3499, 23426), (6998, 11713)]