12644645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 16692480

約数和(自身を除く): 4047835

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 4139, 20695, 53807, 194533, 269035, 972665, 2528929, 12644645]

約数ペア:

[(1, 12644645), (5, 2528929), (13, 972665), (47, 269035), (65, 194533), (235, 53807), (611, 20695), (3055, 4139)]