31234918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 57341952

約数和(自身を除く): 26107034

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 169, 271, 286, 338, 341, 403, 542, 682, 806, 1859, 2981, 3523, 3718, 4433, 5239, 5962, 7046, 8401, 8866, 10478, 16802, 38753, 45799, 57629, 77506, 91598, 92411, 109213, 115258, 184822, 218426, 503789, 1007578, 1201343, 1419769, 2402686, 2839538, 15617459, 31234918]

約数ペア:

[(1, 31234918), (2, 15617459), (11, 2839538), (13, 2402686), (22, 1419769), (26, 1201343), (31, 1007578), (62, 503789), (143, 218426), (169, 184822), (271, 115258), (286, 109213), (338, 92411), (341, 91598), (403, 77506), (542, 57629), (682, 45799), (806, 38753), (1859, 16802), (2981, 10478), (3523, 8866), (3718, 8401), (4433, 7046), (5239, 5962)]