179940016

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{135497}}^1$

素因数の和:135588

約数の個数: 20

約数和(自身を含む): 352836792

約数和(自身を除く): 172896776

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 135497, 270994, 541988, 1083976, 2167952, 11246251, 22492502, 44985004, 89970008, 179940016]

約数ペア:

[(1, 179940016), (2, 89970008), (4, 44985004), (8, 22492502), (16, 11246251), (83, 2167952), (166, 1083976), (332, 541988), (664, 270994), (1328, 135497)]