213684978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19709}}^1$

素因数の和:19866

約数の個数: 32

約数和(自身を含む): 463579200

約数和(自身を除く): 249894222

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 10842, 19709, 39418, 59127, 118254, 256217, 512434, 768651, 1537302, 2739551, 5479102, 8218653, 16437306, 35614163, 71228326, 106842489, 213684978]

約数ペア:

[(1, 213684978), (2, 106842489), (3, 71228326), (6, 35614163), (13, 16437306), (26, 8218653), (39, 5479102), (78, 2739551), (139, 1537302), (278, 768651), (417, 512434), (834, 256217), (1807, 118254), (3614, 59127), (5421, 39418), (10842, 19709)]