204968085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 392878080

約数和(自身を除く): 187909995

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 83, 87, 105, 145, 203, 249, 415, 435, 581, 609, 811, 1015, 1245, 1743, 2407, 2433, 2905, 3045, 4055, 5677, 7221, 8715, 12035, 12165, 16849, 17031, 23519, 28385, 36105, 50547, 67313, 70557, 84245, 85155, 117595, 164633, 201939, 252735, 336565, 352785, 471191, 493899, 823165, 1009695, 1413573, 1952077, 2355955, 2469495, 5856231, 7067865, 9760385, 13664539, 29281155, 40993617, 68322695, 204968085]

約数ペア:

[(1, 204968085), (3, 68322695), (5, 40993617), (7, 29281155), (15, 13664539), (21, 9760385), (29, 7067865), (35, 5856231), (83, 2469495), (87, 2355955), (105, 1952077), (145, 1413573), (203, 1009695), (249, 823165), (415, 493899), (435, 471191), (581, 352785), (609, 336565), (811, 252735), (1015, 201939), (1245, 164633), (1743, 117595), (2407, 85155), (2433, 84245), (2905, 70557), (3045, 67313), (4055, 50547), (5677, 36105), (7221, 28385), (8715, 23519), (12035, 17031), (12165, 16849)]