31578954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 73156608

約数和(自身を除く): 41577654

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 213, 253, 293, 426, 506, 586, 759, 781, 879, 1518, 1562, 1633, 1758, 2343, 3223, 3266, 4686, 4899, 6446, 6739, 9669, 9798, 13478, 17963, 19338, 20217, 20803, 35926, 40434, 41606, 53889, 62409, 74129, 107778, 124818, 148258, 222387, 228833, 444774, 457666, 478469, 686499, 956938, 1372998, 1435407, 2870814, 5263159, 10526318, 15789477, 31578954]

約数ペア:

[(1, 31578954), (2, 15789477), (3, 10526318), (6, 5263159), (11, 2870814), (22, 1435407), (23, 1372998), (33, 956938), (46, 686499), (66, 478469), (69, 457666), (71, 444774), (138, 228833), (142, 222387), (213, 148258), (253, 124818), (293, 107778), (426, 74129), (506, 62409), (586, 53889), (759, 41606), (781, 40434), (879, 35926), (1518, 20803), (1562, 20217), (1633, 19338), (1758, 17963), (2343, 13478), (3223, 9798), (3266, 9669), (4686, 6739), (4899, 6446)]