215568

素因数分解:

$2^4\times 3^3\times {\mathrm{499}}^1$

素因数の和:516

約数の個数: 40

約数和(自身を含む): 620000

約数和(自身を除く): 404432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 499, 998, 1497, 1996, 2994, 3992, 4491, 5988, 7984, 8982, 11976, 13473, 17964, 23952, 26946, 35928, 53892, 71856, 107784, 215568]

約数ペア:

[(1, 215568), (2, 107784), (3, 71856), (4, 53892), (6, 35928), (8, 26946), (9, 23952), (12, 17964), (16, 13473), (18, 11976), (24, 8982), (27, 7984), (36, 5988), (48, 4491), (54, 3992), (72, 2994), (108, 1996), (144, 1497), (216, 998), (432, 499)]