28038708

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 74299680

約数和(自身を除く): 46260972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 107, 116, 174, 214, 251, 261, 321, 348, 428, 502, 522, 642, 753, 963, 1004, 1044, 1284, 1506, 1926, 2259, 3012, 3103, 3852, 4518, 6206, 7279, 9036, 9309, 12412, 14558, 18618, 21837, 26857, 27927, 29116, 37236, 43674, 53714, 55854, 65511, 80571, 87348, 107428, 111708, 131022, 161142, 241713, 262044, 322284, 483426, 778853, 966852, 1557706, 2336559, 3115412, 4673118, 7009677, 9346236, 14019354, 28038708]

約数ペア:

[(1, 28038708), (2, 14019354), (3, 9346236), (4, 7009677), (6, 4673118), (9, 3115412), (12, 2336559), (18, 1557706), (29, 966852), (36, 778853), (58, 483426), (87, 322284), (107, 262044), (116, 241713), (174, 161142), (214, 131022), (251, 111708), (261, 107428), (321, 87348), (348, 80571), (428, 65511), (502, 55854), (522, 53714), (642, 43674), (753, 37236), (963, 29116), (1004, 27927), (1044, 26857), (1284, 21837), (1506, 18618), (1926, 14558), (2259, 12412), (3012, 9309), (3103, 9036), (3852, 7279), (4518, 6206)]