27971988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 72031680

約数和(自身を除く): 44059692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1958, 2381, 2937, 3916, 4762, 5874, 7143, 9524, 11748, 14286, 26191, 28572, 52382, 78573, 104764, 157146, 211909, 314292, 423818, 635727, 847636, 1271454, 2330999, 2542908, 4661998, 6992997, 9323996, 13985994, 27971988]

約数ペア:

[(1, 27971988), (2, 13985994), (3, 9323996), (4, 6992997), (6, 4661998), (11, 2542908), (12, 2330999), (22, 1271454), (33, 847636), (44, 635727), (66, 423818), (89, 314292), (132, 211909), (178, 157146), (267, 104764), (356, 78573), (534, 52382), (979, 28572), (1068, 26191), (1958, 14286), (2381, 11748), (2937, 9524), (3916, 7143), (4762, 5874)]