28747476

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 77837760

約数和(自身を除く): 49090284

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 107, 153, 204, 214, 306, 321, 428, 439, 612, 642, 878, 963, 1284, 1317, 1756, 1819, 1926, 2634, 3638, 3852, 3951, 5268, 5457, 7276, 7463, 7902, 10914, 14926, 15804, 16371, 21828, 22389, 29852, 32742, 44778, 46973, 65484, 67167, 89556, 93946, 134334, 140919, 187892, 268668, 281838, 422757, 563676, 798541, 845514, 1597082, 1691028, 2395623, 3194164, 4791246, 7186869, 9582492, 14373738, 28747476]

約数ペア:

[(1, 28747476), (2, 14373738), (3, 9582492), (4, 7186869), (6, 4791246), (9, 3194164), (12, 2395623), (17, 1691028), (18, 1597082), (34, 845514), (36, 798541), (51, 563676), (68, 422757), (102, 281838), (107, 268668), (153, 187892), (204, 140919), (214, 134334), (306, 93946), (321, 89556), (428, 67167), (439, 65484), (612, 46973), (642, 44778), (878, 32742), (963, 29852), (1284, 22389), (1317, 21828), (1756, 16371), (1819, 15804), (1926, 14926), (2634, 10914), (3638, 7902), (3852, 7463), (3951, 7276), (5268, 5457)]