66978004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 120723680

約数和(自身を除く): 53745676

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 2389, 4778, 7009, 9556, 14018, 28036, 102727, 205454, 389407, 410908, 778814, 1557628, 16744501, 33489002, 66978004]

約数ペア:

[(1, 66978004), (2, 33489002), (4, 16744501), (43, 1557628), (86, 778814), (163, 410908), (172, 389407), (326, 205454), (652, 102727), (2389, 28036), (4778, 14018), (7009, 9556)]