990616718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9241}}^1$

素因数の和:9313

約数の個数: 64

約数和(自身を含む): 1987399680

約数和(自身を除く): 996782962

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 182, 217, 247, 266, 403, 434, 494, 589, 806, 1178, 1729, 2821, 3458, 4123, 5642, 7657, 8246, 9241, 15314, 18482, 53599, 64687, 107198, 120133, 129374, 175579, 240266, 286471, 351158, 572942, 840931, 1229053, 1681862, 2005297, 2282527, 2458106, 3724123, 4010594, 4565054, 5442949, 7448246, 10885898, 15977689, 26068861, 31955378, 38100643, 52137722, 70758337, 76201286, 141516674, 495308359, 990616718]

約数ペア:

[(1, 990616718), (2, 495308359), (7, 141516674), (13, 76201286), (14, 70758337), (19, 52137722), (26, 38100643), (31, 31955378), (38, 26068861), (62, 15977689), (91, 10885898), (133, 7448246), (182, 5442949), (217, 4565054), (247, 4010594), (266, 3724123), (403, 2458106), (434, 2282527), (494, 2005297), (589, 1681862), (806, 1229053), (1178, 840931), (1729, 572942), (2821, 351158), (3458, 286471), (4123, 240266), (5642, 175579), (7657, 129374), (8246, 120133), (9241, 107198), (15314, 64687), (18482, 53599)]