65687788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2053}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 121350320

約数和(自身を除く): 55662532

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 2053, 4106, 7999, 8212, 15998, 31996, 39007, 78014, 156028, 864313, 1728626, 3457252, 16421947, 32843894, 65687788]

約数ペア:

[(1, 65687788), (2, 32843894), (4, 16421947), (19, 3457252), (38, 1728626), (76, 864313), (421, 156028), (842, 78014), (1684, 39007), (2053, 31996), (4106, 15998), (7999, 8212)]