388574316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19309}}^1$

素因数の和:19375

約数の個数: 72

約数和(自身を含む): 1082441360

約数和(自身を除く): 693867044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 19309, 20124, 38618, 57927, 77236, 115854, 173781, 231708, 251017, 347562, 502034, 695124, 753051, 830287, 1004068, 1506102, 1660574, 2259153, 2490861, 3012204, 3321148, 4518306, 4981722, 7472583, 9036612, 9963444, 10793731, 14945166, 21587462, 29890332, 32381193, 43174924, 64762386, 97143579, 129524772, 194287158, 388574316]

約数ペア:

[(1, 388574316), (2, 194287158), (3, 129524772), (4, 97143579), (6, 64762386), (9, 43174924), (12, 32381193), (13, 29890332), (18, 21587462), (26, 14945166), (36, 10793731), (39, 9963444), (43, 9036612), (52, 7472583), (78, 4981722), (86, 4518306), (117, 3321148), (129, 3012204), (156, 2490861), (172, 2259153), (234, 1660574), (258, 1506102), (387, 1004068), (468, 830287), (516, 753051), (559, 695124), (774, 502034), (1118, 347562), (1548, 251017), (1677, 231708), (2236, 173781), (3354, 115854), (5031, 77236), (6708, 57927), (10062, 38618), (19309, 20124)]