81640884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{907}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 205731008

約数和(自身を除く): 124090124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 577, 907, 1154, 1731, 1814, 2308, 2721, 3462, 3628, 5442, 6924, 7501, 10884, 11791, 15002, 22503, 23582, 30004, 35373, 45006, 47164, 70746, 90012, 141492, 523339, 1046678, 1570017, 2093356, 3140034, 6280068, 6803407, 13606814, 20410221, 27213628, 40820442, 81640884]

約数ペア:

[(1, 81640884), (2, 40820442), (3, 27213628), (4, 20410221), (6, 13606814), (12, 6803407), (13, 6280068), (26, 3140034), (39, 2093356), (52, 1570017), (78, 1046678), (156, 523339), (577, 141492), (907, 90012), (1154, 70746), (1731, 47164), (1814, 45006), (2308, 35373), (2721, 30004), (3462, 23582), (3628, 22503), (5442, 15002), (6924, 11791), (7501, 10884)]