495890899

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 608124768

約数和(自身を除く): 112233869

約数列:

[1, 7, 19, 61, 133, 361, 427, 1159, 2527, 3217, 8113, 22021, 22519, 61123, 154147, 196237, 427861, 1161337, 1373659, 3728503, 8129359, 26099521, 70841557, 495890899]

約数ペア:

[(1, 495890899), (7, 70841557), (19, 26099521), (61, 8129359), (133, 3728503), (361, 1373659), (427, 1161337), (1159, 427861), (2527, 196237), (3217, 154147), (8113, 61123), (22021, 22519)]