280385886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3277

約数の個数: 64

約数和(自身を含む): 646373376

約数和(自身を除く): 365987490

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 43, 62, 66, 86, 93, 129, 186, 258, 341, 473, 682, 946, 1023, 1333, 1419, 2046, 2666, 2838, 3187, 3999, 6374, 7998, 9561, 14663, 19122, 29326, 35057, 43989, 70114, 87978, 98797, 105171, 137041, 197594, 210342, 274082, 296391, 411123, 592782, 822246, 1086767, 1507451, 2173534, 3014902, 3260301, 4248271, 4522353, 6520602, 8496542, 9044706, 12744813, 25489626, 46730981, 93461962, 140192943, 280385886]

約数ペア:

[(1, 280385886), (2, 140192943), (3, 93461962), (6, 46730981), (11, 25489626), (22, 12744813), (31, 9044706), (33, 8496542), (43, 6520602), (62, 4522353), (66, 4248271), (86, 3260301), (93, 3014902), (129, 2173534), (186, 1507451), (258, 1086767), (341, 822246), (473, 592782), (682, 411123), (946, 296391), (1023, 274082), (1333, 210342), (1419, 197594), (2046, 137041), (2666, 105171), (2838, 98797), (3187, 87978), (3999, 70114), (6374, 43989), (7998, 35057), (9561, 29326), (14663, 19122)]