66687668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22807}}^1$

素因数の和:22871

約数の個数: 24

約数和(自身を含む): 126447552

約数和(自身を除く): 59759884

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 22807, 45614, 91228, 387719, 775438, 980701, 1550876, 1961402, 3922804, 16671917, 33343834, 66687668]

約数ペア:

[(1, 66687668), (2, 33343834), (4, 16671917), (17, 3922804), (34, 1961402), (43, 1550876), (68, 980701), (86, 775438), (172, 387719), (731, 91228), (1462, 45614), (2924, 22807)]