127988894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 219497472

約数和(自身を除く): 91508578

約数列:

[1, 2, 11, 22, 31, 62, 67, 134, 341, 682, 737, 1474, 2077, 2801, 4154, 5602, 22847, 30811, 45694, 61622, 86831, 173662, 187667, 375334, 955141, 1910282, 2064337, 4128674, 5817677, 11635354, 63994447, 127988894]

約数ペア:

[(1, 127988894), (2, 63994447), (11, 11635354), (22, 5817677), (31, 4128674), (62, 2064337), (67, 1910282), (134, 955141), (341, 375334), (682, 187667), (737, 173662), (1474, 86831), (2077, 61622), (2801, 45694), (4154, 30811), (5602, 22847)]