66581228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103387}}^1$

素因数の和:103421

約数の個数: 24

約数和(自身を含む): 138953472

約数和(自身を除く): 72372244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 103387, 206774, 413548, 723709, 1447418, 2377901, 2894836, 4755802, 9511604, 16645307, 33290614, 66581228]

約数ペア:

[(1, 66581228), (2, 33290614), (4, 16645307), (7, 9511604), (14, 4755802), (23, 2894836), (28, 2377901), (46, 1447418), (92, 723709), (161, 413548), (322, 206774), (644, 103387)]