209225828

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 427472640

約数和(自身を除く): 218246812

約数列:

[1, 2, 4, 7, 14, 28, 89, 113, 178, 226, 356, 452, 623, 743, 791, 1246, 1486, 1582, 2492, 2972, 3164, 5201, 10057, 10402, 20114, 20804, 40228, 66127, 70399, 83959, 132254, 140798, 167918, 264508, 281596, 335836, 462889, 587713, 925778, 1175426, 1851556, 2350852, 7472351, 14944702, 29889404, 52306457, 104612914, 209225828]

約数ペア:

[(1, 209225828), (2, 104612914), (4, 52306457), (7, 29889404), (14, 14944702), (28, 7472351), (89, 2350852), (113, 1851556), (178, 1175426), (226, 925778), (356, 587713), (452, 462889), (623, 335836), (743, 281596), (791, 264508), (1246, 167918), (1486, 140798), (1582, 132254), (2492, 83959), (2972, 70399), (3164, 66127), (5201, 40228), (10057, 20804), (10402, 20114)]