538472015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 687937536

約数和(自身を除く): 149465521

約数列:

[1, 5, 31, 43, 155, 173, 215, 467, 865, 1333, 2335, 5363, 6665, 7439, 14477, 20081, 26815, 37195, 72385, 80791, 100405, 230609, 403955, 622511, 1153045, 2504521, 3112555, 3474013, 12522605, 17370065, 107694403, 538472015]

約数ペア:

[(1, 538472015), (5, 107694403), (31, 17370065), (43, 12522605), (155, 3474013), (173, 3112555), (215, 2504521), (467, 1153045), (865, 622511), (1333, 403955), (2335, 230609), (5363, 100405), (6665, 80791), (7439, 72385), (14477, 37195), (20081, 26815)]