1290394994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4851109}}^1$

素因数の和:4851137

約数の個数: 16

約数和(自身を含む): 2328532800

約数和(自身を除く): 1038137806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 4851109, 9702218, 33957763, 67915526, 92171071, 184342142, 645197497, 1290394994]

約数ペア:

[(1, 1290394994), (2, 645197497), (7, 184342142), (14, 92171071), (19, 67915526), (38, 33957763), (133, 9702218), (266, 4851109)]