16664718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 38211840

約数和(自身を除く): 21547122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 619, 641, 1238, 1282, 1857, 1923, 3714, 3846, 4333, 4487, 8666, 8974, 12999, 13461, 25998, 26922, 396779, 793558, 1190337, 2380674, 2777453, 5554906, 8332359, 16664718]

約数ペア:

[(1, 16664718), (2, 8332359), (3, 5554906), (6, 2777453), (7, 2380674), (14, 1190337), (21, 793558), (42, 396779), (619, 26922), (641, 25998), (1238, 13461), (1282, 12999), (1857, 8974), (1923, 8666), (3714, 4487), (3846, 4333)]