28678828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{377353}}^1$

素因数の和:377376

約数の個数: 12

約数和(自身を含む): 52829560

約数和(自身を除く): 24150732

約数列:

[1, 2, 4, 19, 38, 76, 377353, 754706, 1509412, 7169707, 14339414, 28678828]

約数ペア:

[(1, 28678828), (2, 14339414), (4, 7169707), (19, 1509412), (38, 754706), (76, 377353)]