81444972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1069}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 217629440

約数和(自身を除く): 136184468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 907, 1069, 1814, 2138, 2721, 3207, 3628, 4276, 5442, 6349, 6414, 7483, 10884, 12698, 12828, 14966, 19047, 22449, 25396, 29932, 38094, 44898, 76188, 89796, 969583, 1939166, 2908749, 3878332, 5817498, 6787081, 11634996, 13574162, 20361243, 27148324, 40722486, 81444972]

約数ペア:

[(1, 81444972), (2, 40722486), (3, 27148324), (4, 20361243), (6, 13574162), (7, 11634996), (12, 6787081), (14, 5817498), (21, 3878332), (28, 2908749), (42, 1939166), (84, 969583), (907, 89796), (1069, 76188), (1814, 44898), (2138, 38094), (2721, 29932), (3207, 25396), (3628, 22449), (4276, 19047), (5442, 14966), (6349, 12828), (6414, 12698), (7483, 10884)]