261728382

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 564480000

約数和(自身を除く): 302751618

約数列:

[1, 2, 3, 6, 19, 38, 57, 83, 114, 139, 166, 199, 249, 278, 398, 417, 498, 597, 834, 1194, 1577, 2641, 3154, 3781, 4731, 5282, 7562, 7923, 9462, 11343, 11537, 15846, 16517, 22686, 23074, 27661, 33034, 34611, 49551, 55322, 69222, 82983, 99102, 165966, 219203, 313823, 438406, 525559, 627646, 657609, 941469, 1051118, 1315218, 1576677, 1882938, 2295863, 3153354, 4591726, 6887589, 13775178, 43621397, 87242794, 130864191, 261728382]

約数ペア:

[(1, 261728382), (2, 130864191), (3, 87242794), (6, 43621397), (19, 13775178), (38, 6887589), (57, 4591726), (83, 3153354), (114, 2295863), (139, 1882938), (166, 1576677), (199, 1315218), (249, 1051118), (278, 941469), (398, 657609), (417, 627646), (498, 525559), (597, 438406), (834, 313823), (1194, 219203), (1577, 165966), (2641, 99102), (3154, 82983), (3781, 69222), (4731, 55322), (5282, 49551), (7562, 34611), (7923, 33034), (9462, 27661), (11343, 23074), (11537, 22686), (15846, 16517)]