31997812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103889}}^1$

素因数の和:103911

約数の個数: 24

約数和(自身を含む): 69814080

約数和(自身を除く): 37816268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 103889, 207778, 415556, 727223, 1142779, 1454446, 2285558, 2908892, 4571116, 7999453, 15998906, 31997812]

約数ペア:

[(1, 31997812), (2, 15998906), (4, 7999453), (7, 4571116), (11, 2908892), (14, 2285558), (22, 1454446), (28, 1142779), (44, 727223), (77, 415556), (154, 207778), (308, 103889)]