639293754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{122611}}^1$

素因数の和:122706

約数の個数: 32

約数和(自身を含む): 1412490240

約数和(自身を除く): 773196486

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 869, 1738, 2607, 5214, 122611, 245222, 367833, 735666, 1348721, 2697442, 4046163, 8092326, 9686269, 19372538, 29058807, 58117614, 106548959, 213097918, 319646877, 639293754]

約数ペア:

[(1, 639293754), (2, 319646877), (3, 213097918), (6, 106548959), (11, 58117614), (22, 29058807), (33, 19372538), (66, 9686269), (79, 8092326), (158, 4046163), (237, 2697442), (474, 1348721), (869, 735666), (1738, 367833), (2607, 245222), (5214, 122611)]