64140965

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 26579035

約数列:

[1, 5, 7, 35, 59, 89, 295, 349, 413, 445, 623, 1745, 2065, 2443, 3115, 5251, 12215, 20591, 26255, 31061, 36757, 102955, 144137, 155305, 183785, 217427, 720685, 1087135, 1832599, 9162995, 12828193, 64140965]

約数ペア:

[(1, 64140965), (5, 12828193), (7, 9162995), (35, 1832599), (59, 1087135), (89, 720685), (295, 217427), (349, 183785), (413, 155305), (445, 144137), (623, 102955), (1745, 36757), (2065, 31061), (2443, 26255), (3115, 20591), (5251, 12215)]