51618749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 68495616

約数和(自身を除く): 16876867

約数列:

[1, 7, 13, 17, 61, 91, 119, 221, 427, 547, 793, 1037, 1547, 3829, 5551, 7111, 7259, 9299, 13481, 33367, 49777, 65093, 94367, 120887, 233569, 433771, 567239, 846209, 3036397, 3970673, 7374107, 51618749]

約数ペア:

[(1, 51618749), (7, 7374107), (13, 3970673), (17, 3036397), (61, 846209), (91, 567239), (119, 433771), (221, 233569), (427, 120887), (547, 94367), (793, 65093), (1037, 49777), (1547, 33367), (3829, 13481), (5551, 9299), (7111, 7259)]