201990512988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{808363}}^1$

素因数の和:809015

約数の個数: 72

約数和(自身を含む): 557887564416

約数和(自身を除く): 355897051428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 631, 1262, 1893, 2524, 3786, 5679, 6941, 7572, 11358, 13882, 20823, 22716, 27764, 41646, 62469, 83292, 124938, 249876, 808363, 1616726, 2425089, 3233452, 4850178, 7275267, 8891993, 9700356, 14550534, 17783986, 26675979, 29101068, 35567972, 53351958, 80027937, 106703916, 160055874, 320111748, 510077053, 1020154106, 1530231159, 2040308212, 3060462318, 4590693477, 5610847583, 6120924636, 9181386954, 11221695166, 16832542749, 18362773908, 22443390332, 33665085498, 50497628247, 67330170996, 100995256494, 201990512988]

約数ペア:

[(1, 201990512988), (2, 100995256494), (3, 67330170996), (4, 50497628247), (6, 33665085498), (9, 22443390332), (11, 18362773908), (12, 16832542749), (18, 11221695166), (22, 9181386954), (33, 6120924636), (36, 5610847583), (44, 4590693477), (66, 3060462318), (99, 2040308212), (132, 1530231159), (198, 1020154106), (396, 510077053), (631, 320111748), (1262, 160055874), (1893, 106703916), (2524, 80027937), (3786, 53351958), (5679, 35567972), (6941, 29101068), (7572, 26675979), (11358, 17783986), (13882, 14550534), (20823, 9700356), (22716, 8891993), (27764, 7275267), (41646, 4850178), (62469, 3233452), (83292, 2425089), (124938, 1616726), (249876, 808363)]