30886709

素因数分解:

$7^2\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 18

約数和(自身を含む): 36750294

約数和(自身を除く): 5863585

約数列:

[1, 7, 49, 79, 101, 553, 707, 3871, 4949, 6241, 7979, 43687, 55853, 305809, 390971, 630341, 4412387, 30886709]

約数ペア:

[(1, 30886709), (7, 4412387), (49, 630341), (79, 390971), (101, 305809), (553, 55853), (707, 43687), (3871, 7979), (4949, 6241)]