493573808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{338993}}^1$

素因数の和:339021

約数の個数: 40

約数和(自身を含む): 1176987168

約数和(自身を除く): 683413360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 338993, 677986, 1355972, 2372951, 2711944, 4406909, 4745902, 5423888, 8813818, 9491804, 17627636, 18983608, 30848363, 35255272, 37967216, 61696726, 70510544, 123393452, 246786904, 493573808]

約数ペア:

[(1, 493573808), (2, 246786904), (4, 123393452), (7, 70510544), (8, 61696726), (13, 37967216), (14, 35255272), (16, 30848363), (26, 18983608), (28, 17627636), (52, 9491804), (56, 8813818), (91, 5423888), (104, 4745902), (112, 4406909), (182, 2711944), (208, 2372951), (364, 1355972), (728, 677986), (1456, 338993)]