219831738

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{17389}}^1$

素因数の和:17451

約数の個数: 48

約数和(自身を含む): 523369440

約数和(自身を除く): 303537702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 12642, 17389, 34778, 52167, 104334, 121723, 243446, 365169, 730338, 747727, 852061, 1495454, 1704122, 2243181, 2556183, 4486362, 5112366, 5234089, 10468178, 15702267, 31404534, 36638623, 73277246, 109915869, 219831738]

約数ペア:

[(1, 219831738), (2, 109915869), (3, 73277246), (6, 36638623), (7, 31404534), (14, 15702267), (21, 10468178), (42, 5234089), (43, 5112366), (49, 4486362), (86, 2556183), (98, 2243181), (129, 1704122), (147, 1495454), (258, 852061), (294, 747727), (301, 730338), (602, 365169), (903, 243446), (1806, 121723), (2107, 104334), (4214, 52167), (6321, 34778), (12642, 17389)]