212156668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 421222032

約数和(自身を除く): 209065364

約数列:

[1, 2, 4, 17, 34, 37, 43, 53, 68, 74, 86, 106, 148, 172, 212, 629, 731, 901, 1258, 1369, 1462, 1591, 1802, 1961, 2279, 2516, 2738, 2924, 3182, 3604, 3922, 4558, 5476, 6364, 7844, 9116, 23273, 27047, 33337, 38743, 46546, 54094, 58867, 66674, 72557, 77486, 84323, 93092, 108188, 117734, 133348, 145114, 154972, 168646, 235468, 290228, 337292, 1000739, 1233469, 1433491, 2001478, 2466938, 2866982, 3119951, 4002956, 4933876, 5733964, 6239902, 12479804, 53039167, 106078334, 212156668]

約数ペア:

[(1, 212156668), (2, 106078334), (4, 53039167), (17, 12479804), (34, 6239902), (37, 5733964), (43, 4933876), (53, 4002956), (68, 3119951), (74, 2866982), (86, 2466938), (106, 2001478), (148, 1433491), (172, 1233469), (212, 1000739), (629, 337292), (731, 290228), (901, 235468), (1258, 168646), (1369, 154972), (1462, 145114), (1591, 133348), (1802, 117734), (1961, 108188), (2279, 93092), (2516, 84323), (2738, 77486), (2924, 72557), (3182, 66674), (3604, 58867), (3922, 54094), (4558, 46546), (5476, 38743), (6364, 33337), (7844, 27047), (9116, 23273)]