219528064

素因数分解:

$2^7\times 7^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 501840000

約数和(自身を除く): 282311936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 491, 499, 896, 982, 998, 1964, 1996, 3437, 3493, 3928, 3992, 6874, 6986, 7856, 7984, 13748, 13972, 15712, 15968, 27496, 27944, 31424, 31936, 54992, 55888, 62848, 63872, 109984, 111776, 219968, 223552, 245009, 439936, 447104, 490018, 980036, 1715063, 1960072, 3430126, 3920144, 6860252, 7840288, 13720504, 15680576, 27441008, 31361152, 54882016, 109764032, 219528064]

約数ペア:

[(1, 219528064), (2, 109764032), (4, 54882016), (7, 31361152), (8, 27441008), (14, 15680576), (16, 13720504), (28, 7840288), (32, 6860252), (56, 3920144), (64, 3430126), (112, 1960072), (128, 1715063), (224, 980036), (448, 490018), (491, 447104), (499, 439936), (896, 245009), (982, 223552), (998, 219968), (1964, 111776), (1996, 109984), (3437, 63872), (3493, 62848), (3928, 55888), (3992, 54992), (6874, 31936), (6986, 31424), (7856, 27944), (7984, 27496), (13748, 15968), (13972, 15712)]