81341688

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 210672000

約数和(自身を除く): 129330312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 139, 148, 222, 278, 296, 417, 444, 556, 659, 834, 888, 1112, 1318, 1668, 1977, 2636, 3336, 3954, 5143, 5272, 7908, 10286, 15429, 15816, 20572, 24383, 30858, 41144, 48766, 61716, 73149, 91601, 97532, 123432, 146298, 183202, 195064, 274803, 292596, 366404, 549606, 585192, 732808, 1099212, 2198424, 3389237, 6778474, 10167711, 13556948, 20335422, 27113896, 40670844, 81341688]

約数ペア:

[(1, 81341688), (2, 40670844), (3, 27113896), (4, 20335422), (6, 13556948), (8, 10167711), (12, 6778474), (24, 3389237), (37, 2198424), (74, 1099212), (111, 732808), (139, 585192), (148, 549606), (222, 366404), (278, 292596), (296, 274803), (417, 195064), (444, 183202), (556, 146298), (659, 123432), (834, 97532), (888, 91601), (1112, 73149), (1318, 61716), (1668, 48766), (1977, 41144), (2636, 30858), (3336, 24383), (3954, 20572), (5143, 15816), (5272, 15429), (7908, 10286)]