660938434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{246803}}^1$

素因数の和:246921

約数の個数: 16

約数和(自身を含む): 1078039872

約数和(自身を除く): 417101438

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 246803, 493606, 3208439, 6416878, 25420709, 50841418, 330469217, 660938434]

約数ペア:

[(1, 660938434), (2, 330469217), (13, 50841418), (26, 25420709), (103, 6416878), (206, 3208439), (1339, 493606), (2678, 246803)]