77871988

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 138297600

約数和(自身を除く): 60425612

約数列:

[1, 2, 4, 97, 194, 388, 419, 479, 838, 958, 1676, 1916, 40643, 46463, 81286, 92926, 162572, 185852, 200701, 401402, 802804, 19467997, 38935994, 77871988]

約数ペア:

[(1, 77871988), (2, 38935994), (4, 19467997), (97, 802804), (194, 401402), (388, 200701), (419, 185852), (479, 162572), (838, 92926), (958, 81286), (1676, 46463), (1916, 40643)]