127980450004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{445633}}^1$

素因数の和:445816

約数の個数: 48

約数和(自身を含む): 250653082176

約数和(自身を除く): 122672632172

約数列:

[1, 2, 4, 11, 22, 44, 61, 107, 122, 214, 244, 428, 671, 1177, 1342, 2354, 2684, 4708, 6527, 13054, 26108, 71797, 143594, 287188, 445633, 891266, 1782532, 4901963, 9803926, 19607852, 27183613, 47682731, 54367226, 95365462, 108734452, 190730924, 299019743, 524510041, 598039486, 1049020082, 1196078972, 2098040164, 2908646591, 5817293182, 11634586364, 31995112501, 63990225002, 127980450004]

約数ペア:

[(1, 127980450004), (2, 63990225002), (4, 31995112501), (11, 11634586364), (22, 5817293182), (44, 2908646591), (61, 2098040164), (107, 1196078972), (122, 1049020082), (214, 598039486), (244, 524510041), (428, 299019743), (671, 190730924), (1177, 108734452), (1342, 95365462), (2354, 54367226), (2684, 47682731), (4708, 27183613), (6527, 19607852), (13054, 9803926), (26108, 4901963), (71797, 1782532), (143594, 891266), (287188, 445633)]