128398424

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2707}}^1$

素因数の和:2749

約数の個数: 72

約数和(自身を含む): 307940220

約数和(自身を除く): 179541796

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1694, 2156, 2707, 3388, 4312, 5414, 5929, 6776, 10828, 11858, 18949, 21656, 23716, 29777, 37898, 47432, 59554, 75796, 119108, 132643, 151592, 208439, 238216, 265286, 327547, 416878, 530572, 655094, 833756, 1061144, 1310188, 1459073, 1667512, 2292829, 2620376, 2918146, 4585658, 5836292, 9171316, 11672584, 16049803, 18342632, 32099606, 64199212, 128398424]

約数ペア:

[(1, 128398424), (2, 64199212), (4, 32099606), (7, 18342632), (8, 16049803), (11, 11672584), (14, 9171316), (22, 5836292), (28, 4585658), (44, 2918146), (49, 2620376), (56, 2292829), (77, 1667512), (88, 1459073), (98, 1310188), (121, 1061144), (154, 833756), (196, 655094), (242, 530572), (308, 416878), (392, 327547), (484, 265286), (539, 238216), (616, 208439), (847, 151592), (968, 132643), (1078, 119108), (1694, 75796), (2156, 59554), (2707, 47432), (3388, 37898), (4312, 29777), (5414, 23716), (5929, 21656), (6776, 18949), (10828, 11858)]