291229456068

素因数分解:

$2^2\times 3^2\times {\mathrm{20981}}^1\times {\mathrm{385573}}^1$

素因数の和:406564

約数の個数: 36

約数和(自身を含む): 736200343788

約数和(自身を除く): 444970887720

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 20981, 41962, 62943, 83924, 125886, 188829, 251772, 377658, 385573, 755316, 771146, 1156719, 1542292, 2313438, 3470157, 4626876, 6940314, 13880628, 8089707113, 16179414226, 24269121339, 32358828452, 48538242678, 72807364017, 97076485356, 145614728034, 291229456068]

約数ペア:

[(1, 291229456068), (2, 145614728034), (3, 97076485356), (4, 72807364017), (6, 48538242678), (9, 32358828452), (12, 24269121339), (18, 16179414226), (36, 8089707113), (20981, 13880628), (41962, 6940314), (62943, 4626876), (83924, 3470157), (125886, 2313438), (188829, 1542292), (251772, 1156719), (377658, 771146), (385573, 755316)]