81501238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1039}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 150958080

約数和(自身を除く): 69456842

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 431, 862, 1039, 2078, 3017, 5603, 6034, 7273, 11206, 13507, 14546, 27014, 39221, 78442, 94549, 189098, 447809, 895618, 3134663, 5821517, 6269326, 11643034, 40750619, 81501238]

約数ペア:

[(1, 81501238), (2, 40750619), (7, 11643034), (13, 6269326), (14, 5821517), (26, 3134663), (91, 895618), (182, 447809), (431, 189098), (862, 94549), (1039, 78442), (2078, 39221), (3017, 27014), (5603, 14546), (6034, 13507), (7273, 11206)]