28775428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 28527356

約数列:

[1, 2, 4, 11, 22, 43, 44, 67, 86, 134, 172, 227, 268, 454, 473, 737, 908, 946, 1474, 1892, 2497, 2881, 2948, 4994, 5762, 9761, 9988, 11524, 15209, 19522, 30418, 31691, 39044, 60836, 63382, 107371, 126764, 167299, 214742, 334598, 429484, 653987, 669196, 1307974, 2615948, 7193857, 14387714, 28775428]

約数ペア:

[(1, 28775428), (2, 14387714), (4, 7193857), (11, 2615948), (22, 1307974), (43, 669196), (44, 653987), (67, 429484), (86, 334598), (134, 214742), (172, 167299), (227, 126764), (268, 107371), (454, 63382), (473, 60836), (737, 39044), (908, 31691), (946, 30418), (1474, 19522), (1892, 15209), (2497, 11524), (2881, 9988), (2948, 9761), (4994, 5762)]