4991344

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2152

約数の個数: 20

約数和(自身を含む): 9737224

約数和(自身を除く): 4745880

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 1987, 2512, 3974, 7948, 15896, 31792, 311959, 623918, 1247836, 2495672, 4991344]

約数ペア:

[(1, 4991344), (2, 2495672), (4, 1247836), (8, 623918), (16, 311959), (157, 31792), (314, 15896), (628, 7948), (1256, 3974), (1987, 2512)]