1721244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 4745216

約数和(自身を除く): 3023972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 661, 868, 1302, 1322, 1983, 2604, 2644, 3966, 4627, 7932, 9254, 13881, 18508, 20491, 27762, 40982, 55524, 61473, 81964, 122946, 143437, 245892, 286874, 430311, 573748, 860622, 1721244]

約数ペア:

[(1, 1721244), (2, 860622), (3, 573748), (4, 430311), (6, 286874), (7, 245892), (12, 143437), (14, 122946), (21, 81964), (28, 61473), (31, 55524), (42, 40982), (62, 27762), (84, 20491), (93, 18508), (124, 13881), (186, 9254), (217, 7932), (372, 4627), (434, 3966), (651, 2644), (661, 2604), (868, 1983), (1302, 1322)]