212203145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 324051840

約数和(自身を除く): 111848695

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 121, 385, 445, 563, 605, 623, 847, 979, 2815, 3115, 3941, 4235, 4895, 6193, 6853, 10769, 19705, 30965, 34265, 43351, 50107, 53845, 68123, 75383, 216755, 250535, 340615, 350749, 376915, 476861, 551177, 1753745, 2384305, 2755885, 3858239, 6062947, 19291195, 30314735, 42440629, 212203145]

約数ペア:

[(1, 212203145), (5, 42440629), (7, 30314735), (11, 19291195), (35, 6062947), (55, 3858239), (77, 2755885), (89, 2384305), (121, 1753745), (385, 551177), (445, 476861), (563, 376915), (605, 350749), (623, 340615), (847, 250535), (979, 216755), (2815, 75383), (3115, 68123), (3941, 53845), (4235, 50107), (4895, 43351), (6193, 34265), (6853, 30965), (10769, 19705)]