1999780384

素因数分解:

$2^5\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{4493}}^1$

素因数の和:6497

約数の個数: 48

約数和(自身を含む): 4502772288

約数和(自身を除く): 2502991904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1987, 3974, 4493, 7948, 8986, 13909, 15896, 17972, 27818, 31451, 31792, 35944, 55636, 62902, 63584, 71888, 111272, 125804, 143776, 222544, 251608, 445088, 503216, 1006432, 8927591, 17855182, 35710364, 62493137, 71420728, 124986274, 142841456, 249972548, 285682912, 499945096, 999890192, 1999780384]

約数ペア:

[(1, 1999780384), (2, 999890192), (4, 499945096), (7, 285682912), (8, 249972548), (14, 142841456), (16, 124986274), (28, 71420728), (32, 62493137), (56, 35710364), (112, 17855182), (224, 8927591), (1987, 1006432), (3974, 503216), (4493, 445088), (7948, 251608), (8986, 222544), (13909, 143776), (15896, 125804), (17972, 111272), (27818, 71888), (31451, 63584), (31792, 62902), (35944, 55636)]