221017712

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{166429}}^1$

素因数の和:166520

約数の個数: 20

約数和(自身を含む): 433383720

約数和(自身を除く): 212366008

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 166429, 332858, 665716, 1331432, 2662864, 13813607, 27627214, 55254428, 110508856, 221017712]

約数ペア:

[(1, 221017712), (2, 110508856), (4, 55254428), (8, 27627214), (16, 13813607), (83, 2662864), (166, 1331432), (332, 665716), (664, 332858), (1328, 166429)]