121718896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 268871680

約数和(自身を除く): 147152784

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 439, 496, 559, 688, 806, 878, 1118, 1333, 1612, 1756, 2236, 2666, 3224, 3512, 4472, 5332, 5707, 6448, 7024, 8944, 10664, 11414, 13609, 17329, 18877, 21328, 22828, 27218, 34658, 37754, 45656, 54436, 69316, 75508, 91312, 108872, 138632, 151016, 176917, 217744, 245401, 277264, 302032, 353834, 490802, 585187, 707668, 981604, 1170374, 1415336, 1963208, 2340748, 2830672, 3926416, 4681496, 7607431, 9362992, 15214862, 30429724, 60859448, 121718896]

約数ペア:

[(1, 121718896), (2, 60859448), (4, 30429724), (8, 15214862), (13, 9362992), (16, 7607431), (26, 4681496), (31, 3926416), (43, 2830672), (52, 2340748), (62, 1963208), (86, 1415336), (104, 1170374), (124, 981604), (172, 707668), (208, 585187), (248, 490802), (344, 353834), (403, 302032), (439, 277264), (496, 245401), (559, 217744), (688, 176917), (806, 151016), (878, 138632), (1118, 108872), (1333, 91312), (1612, 75508), (1756, 69316), (2236, 54436), (2666, 45656), (3224, 37754), (3512, 34658), (4472, 27218), (5332, 22828), (5707, 21328), (6448, 18877), (7024, 17329), (8944, 13609), (10664, 11414)]