16664492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{320471}}^1$

素因数の和:320488

約数の個数: 12

約数和(自身を含む): 31406256

約数和(自身を除く): 14741764

約数列:

[1, 2, 4, 13, 26, 52, 320471, 640942, 1281884, 4166123, 8332246, 16664492]

約数ペア:

[(1, 16664492), (2, 8332246), (4, 4166123), (13, 1281884), (26, 640942), (52, 320471)]