128319828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16787}}^1$

素因数の和:16821

約数の個数: 72

約数和(自身を含む): 375111072

約数和(自身を除く): 246791244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 16787, 33574, 50361, 67148, 100722, 117509, 201444, 218231, 235018, 352527, 436462, 470036, 654693, 705054, 822563, 872924, 1309386, 1410108, 1527617, 1645126, 2467689, 2618772, 3055234, 3290252, 4582851, 4935378, 6110468, 9165702, 9870756, 10693319, 18331404, 21386638, 32079957, 42773276, 64159914, 128319828]

約数ペア:

[(1, 128319828), (2, 64159914), (3, 42773276), (4, 32079957), (6, 21386638), (7, 18331404), (12, 10693319), (13, 9870756), (14, 9165702), (21, 6110468), (26, 4935378), (28, 4582851), (39, 3290252), (42, 3055234), (49, 2618772), (52, 2467689), (78, 1645126), (84, 1527617), (91, 1410108), (98, 1309386), (147, 872924), (156, 822563), (182, 705054), (196, 654693), (273, 470036), (294, 436462), (364, 352527), (546, 235018), (588, 218231), (637, 201444), (1092, 117509), (1274, 100722), (1911, 67148), (2548, 50361), (3822, 33574), (7644, 16787)]