289968595

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3137}}^1$

素因数の和:3307

約数の個数: 32

約数和(自身を含む): 421747200

約数和(自身を除く): 131778605

約数列:

[1, 5, 7, 19, 35, 95, 133, 139, 665, 695, 973, 2641, 3137, 4865, 13205, 15685, 18487, 21959, 59603, 92435, 109795, 298015, 417221, 436043, 2086105, 2180215, 3052301, 8284817, 15261505, 41424085, 57993719, 289968595]

約数ペア:

[(1, 289968595), (5, 57993719), (7, 41424085), (19, 15261505), (35, 8284817), (95, 3052301), (133, 2180215), (139, 2086105), (665, 436043), (695, 417221), (973, 298015), (2641, 109795), (3137, 92435), (4865, 59603), (13205, 21959), (15685, 18487)]