27974778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 62923392

約数和(自身を除く): 34948614

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 67, 78, 101, 106, 134, 159, 201, 202, 303, 318, 402, 606, 689, 871, 1313, 1378, 1742, 2067, 2613, 2626, 3551, 3939, 4134, 5226, 5353, 6767, 7102, 7878, 10653, 10706, 13534, 16059, 20301, 21306, 32118, 40602, 46163, 69589, 87971, 92326, 138489, 139178, 175942, 208767, 263913, 276978, 358651, 417534, 527826, 717302, 1075953, 2151906, 4662463, 9324926, 13987389, 27974778]

約数ペア:

[(1, 27974778), (2, 13987389), (3, 9324926), (6, 4662463), (13, 2151906), (26, 1075953), (39, 717302), (53, 527826), (67, 417534), (78, 358651), (101, 276978), (106, 263913), (134, 208767), (159, 175942), (201, 139178), (202, 138489), (303, 92326), (318, 87971), (402, 69589), (606, 46163), (689, 40602), (871, 32118), (1313, 21306), (1378, 20301), (1742, 16059), (2067, 13534), (2613, 10706), (2626, 10653), (3551, 7878), (3939, 7102), (4134, 6767), (5226, 5353)]