81631732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 176995840

約数和(自身を除く): 95364108

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 1327, 2197, 2366, 2654, 4394, 4732, 5308, 8788, 9289, 15379, 17251, 18578, 30758, 34502, 37156, 61516, 69004, 120757, 224263, 241514, 448526, 483028, 897052, 1569841, 2915419, 3139682, 5830838, 6279364, 11661676, 20407933, 40815866, 81631732]

約数ペア:

[(1, 81631732), (2, 40815866), (4, 20407933), (7, 11661676), (13, 6279364), (14, 5830838), (26, 3139682), (28, 2915419), (52, 1569841), (91, 897052), (169, 483028), (182, 448526), (338, 241514), (364, 224263), (676, 120757), (1183, 69004), (1327, 61516), (2197, 37156), (2366, 34502), (2654, 30758), (4394, 18578), (4732, 17251), (5308, 15379), (8788, 9289)]