631147615

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 875888640

約数和(自身を除く): 244741025

約数列:

[1, 5, 7, 35, 197, 239, 383, 985, 1195, 1379, 1673, 1915, 2681, 6895, 8365, 13405, 47083, 75451, 91537, 235415, 329581, 377255, 457685, 528157, 640759, 1647905, 2640785, 3203795, 18032789, 90163945, 126229523, 631147615]

約数ペア:

[(1, 631147615), (5, 126229523), (7, 90163945), (35, 18032789), (197, 3203795), (239, 2640785), (383, 1647905), (985, 640759), (1195, 528157), (1379, 457685), (1673, 377255), (1915, 329581), (2681, 235415), (6895, 91537), (8365, 75451), (13405, 47083)]