128587858

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 240822720

約数和(自身を除く): 112234862

約数列:

[1, 2, 7, 14, 19, 38, 49, 53, 98, 106, 133, 266, 371, 742, 931, 1007, 1303, 1862, 2014, 2597, 2606, 5194, 7049, 9121, 14098, 18242, 24757, 49343, 49514, 63847, 69059, 98686, 127694, 138118, 173299, 346598, 483413, 966826, 1213093, 1312121, 2426186, 2624242, 3383891, 6767782, 9184847, 18369694, 64293929, 128587858]

約数ペア:

[(1, 128587858), (2, 64293929), (7, 18369694), (14, 9184847), (19, 6767782), (38, 3383891), (49, 2624242), (53, 2426186), (98, 1312121), (106, 1213093), (133, 966826), (266, 483413), (371, 346598), (742, 173299), (931, 138118), (1007, 127694), (1303, 98686), (1862, 69059), (2014, 63847), (2597, 49514), (2606, 49343), (5194, 24757), (7049, 18242), (9121, 14098)]