638159608

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{1279}}^1\times {\mathrm{1327}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 1223884800

約数和(自身を除く): 585725192

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 1279, 1327, 2558, 2654, 5116, 5308, 10232, 10616, 60113, 62369, 120226, 124738, 240452, 249476, 480904, 498952, 1697233, 3394466, 6788932, 13577864, 79769951, 159539902, 319079804, 638159608]

約数ペア:

[(1, 638159608), (2, 319079804), (4, 159539902), (8, 79769951), (47, 13577864), (94, 6788932), (188, 3394466), (376, 1697233), (1279, 498952), (1327, 480904), (2558, 249476), (2654, 240452), (5116, 124738), (5308, 120226), (10232, 62369), (10616, 60113)]