28303664

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21313}}^1$

素因数の和:21404

約数の個数: 20

約数和(自身を含む): 55501656

約数和(自身を除く): 27197992

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21313, 42626, 85252, 170504, 341008, 1768979, 3537958, 7075916, 14151832, 28303664]

約数ペア:

[(1, 28303664), (2, 14151832), (4, 7075916), (8, 3537958), (16, 1768979), (83, 341008), (166, 170504), (332, 85252), (664, 42626), (1328, 21313)]