331821728

素因数分解:

$2^5\times 7^2\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:946

約数の個数: 72

約数和(自身を含む): 763245504

約数和(自身を除く): 431423776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 431, 491, 784, 862, 982, 1568, 1724, 1964, 3017, 3437, 3448, 3928, 6034, 6874, 6896, 7856, 12068, 13748, 13792, 15712, 21119, 24059, 24136, 27496, 42238, 48118, 48272, 54992, 84476, 96236, 96544, 109984, 168952, 192472, 211621, 337904, 384944, 423242, 675808, 769888, 846484, 1481347, 1692968, 2962694, 3385936, 5925388, 6771872, 10369429, 11850776, 20738858, 23701552, 41477716, 47403104, 82955432, 165910864, 331821728]

約数ペア:

[(1, 331821728), (2, 165910864), (4, 82955432), (7, 47403104), (8, 41477716), (14, 23701552), (16, 20738858), (28, 11850776), (32, 10369429), (49, 6771872), (56, 5925388), (98, 3385936), (112, 2962694), (196, 1692968), (224, 1481347), (392, 846484), (431, 769888), (491, 675808), (784, 423242), (862, 384944), (982, 337904), (1568, 211621), (1724, 192472), (1964, 168952), (3017, 109984), (3437, 96544), (3448, 96236), (3928, 84476), (6034, 54992), (6874, 48272), (6896, 48118), (7856, 42238), (12068, 27496), (13748, 24136), (13792, 24059), (15712, 21119)]