81380796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{968819}}^1$

素因数の和:968833

約数の個数: 24

約数和(自身を含む): 217015680

約数和(自身を除く): 135634884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 968819, 1937638, 2906457, 3875276, 5812914, 6781733, 11625828, 13563466, 20345199, 27126932, 40690398, 81380796]

約数ペア:

[(1, 81380796), (2, 40690398), (3, 27126932), (4, 20345199), (6, 13563466), (7, 11625828), (12, 6781733), (14, 5812914), (21, 3875276), (28, 2906457), (42, 1937638), (84, 968819)]