61806444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 168824880

約数和(自身を除く): 107018436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 257, 294, 409, 514, 588, 771, 818, 1028, 1227, 1542, 1636, 1799, 2454, 2863, 3084, 3598, 4908, 5397, 5726, 7196, 8589, 10794, 11452, 12593, 17178, 20041, 21588, 25186, 34356, 37779, 40082, 50372, 60123, 75558, 80164, 105113, 120246, 151116, 210226, 240492, 315339, 420452, 630678, 735791, 1261356, 1471582, 2207373, 2943164, 4414746, 5150537, 8829492, 10301074, 15451611, 20602148, 30903222, 61806444]

約数ペア:

[(1, 61806444), (2, 30903222), (3, 20602148), (4, 15451611), (6, 10301074), (7, 8829492), (12, 5150537), (14, 4414746), (21, 2943164), (28, 2207373), (42, 1471582), (49, 1261356), (84, 735791), (98, 630678), (147, 420452), (196, 315339), (257, 240492), (294, 210226), (409, 151116), (514, 120246), (588, 105113), (771, 80164), (818, 75558), (1028, 60123), (1227, 50372), (1542, 40082), (1636, 37779), (1799, 34356), (2454, 25186), (2863, 21588), (3084, 20041), (3598, 17178), (4908, 12593), (5397, 11452), (5726, 10794), (7196, 8589)]