81007878

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4517}}^1$

素因数の和:4597

約数の個数: 48

約数和(自身を含む): 191599344

約数和(自身を除く): 110591466

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 366, 427, 854, 1281, 2562, 2989, 4517, 5978, 8967, 9034, 13551, 17934, 27102, 31619, 63238, 94857, 189714, 221333, 275537, 442666, 551074, 663999, 826611, 1327998, 1653222, 1928759, 3857518, 5786277, 11572554, 13501313, 27002626, 40503939, 81007878]

約数ペア:

[(1, 81007878), (2, 40503939), (3, 27002626), (6, 13501313), (7, 11572554), (14, 5786277), (21, 3857518), (42, 1928759), (49, 1653222), (61, 1327998), (98, 826611), (122, 663999), (147, 551074), (183, 442666), (294, 275537), (366, 221333), (427, 189714), (854, 94857), (1281, 63238), (2562, 31619), (2989, 27102), (4517, 17934), (5978, 13551), (8967, 9034)]