81353212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{18143}}^1$

素因数の和:18225

約数の個数: 24

約数和(自身を含む): 152409600

約数和(自身を除く): 71056388

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 18143, 36286, 72572, 344717, 689434, 1070437, 1378868, 2140874, 4281748, 20338303, 40676606, 81353212]

約数ペア:

[(1, 81353212), (2, 40676606), (4, 20338303), (19, 4281748), (38, 2140874), (59, 1378868), (76, 1070437), (118, 689434), (236, 344717), (1121, 72572), (2242, 36286), (4484, 18143)]