64921157

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 81783936

約数和(自身を除く): 16862779

約数列:

[1, 7, 19, 23, 133, 161, 361, 437, 1117, 2527, 3059, 7819, 8303, 21223, 25691, 58121, 148561, 179837, 403237, 488129, 2822659, 3416903, 9274451, 64921157]

約数ペア:

[(1, 64921157), (7, 9274451), (19, 3416903), (23, 2822659), (133, 488129), (161, 403237), (361, 179837), (437, 148561), (1117, 58121), (2527, 25691), (3059, 21223), (7819, 8303)]