15840752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 32081280

約数和(自身を除く): 16240528

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 293, 436, 496, 586, 872, 1172, 1744, 2344, 3379, 4688, 6758, 9083, 13516, 18166, 27032, 31937, 36332, 54064, 63874, 72664, 127748, 145328, 255496, 510992, 990047, 1980094, 3960188, 7920376, 15840752]

約数ペア:

[(1, 15840752), (2, 7920376), (4, 3960188), (8, 1980094), (16, 990047), (31, 510992), (62, 255496), (109, 145328), (124, 127748), (218, 72664), (248, 63874), (293, 54064), (436, 36332), (496, 31937), (586, 27032), (872, 18166), (1172, 13516), (1744, 9083), (2344, 6758), (3379, 4688)]