393302585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 518192640

約数和(自身を除く): 124890055

約数列:

[1, 5, 13, 65, 101, 139, 431, 505, 695, 1313, 1807, 2155, 5603, 6565, 9035, 14039, 28015, 43531, 59909, 70195, 182507, 217655, 299545, 565903, 778817, 912535, 2829515, 3894085, 6050809, 30254045, 78660517, 393302585]

約数ペア:

[(1, 393302585), (5, 78660517), (13, 30254045), (65, 6050809), (101, 3894085), (139, 2829515), (431, 912535), (505, 778817), (695, 565903), (1313, 299545), (1807, 217655), (2155, 182507), (5603, 70195), (6565, 59909), (9035, 43531), (14039, 28015)]