81719964

素因数分解:

$2^2\times 3^2\times {\mathrm{1319}}^1\times {\mathrm{1721}}^1$

素因数の和:3050

約数の個数: 36

約数和(自身を含む): 206846640

約数和(自身を除く): 125126676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1319, 1721, 2638, 3442, 3957, 5163, 5276, 6884, 7914, 10326, 11871, 15489, 15828, 20652, 23742, 30978, 47484, 61956, 2269999, 4539998, 6809997, 9079996, 13619994, 20429991, 27239988, 40859982, 81719964]

約数ペア:

[(1, 81719964), (2, 40859982), (3, 27239988), (4, 20429991), (6, 13619994), (9, 9079996), (12, 6809997), (18, 4539998), (36, 2269999), (1319, 61956), (1721, 47484), (2638, 30978), (3442, 23742), (3957, 20652), (5163, 15828), (5276, 15489), (6884, 11871), (7914, 10326)]