1987076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4402944

約数和(自身を除く): 2415868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 103, 106, 182, 206, 212, 364, 371, 412, 689, 721, 742, 1339, 1378, 1442, 1484, 2678, 2756, 2884, 4823, 5356, 5459, 9373, 9646, 10918, 18746, 19292, 21836, 37492, 38213, 70967, 76426, 141934, 152852, 283868, 496769, 993538, 1987076]

約数ペア:

[(1, 1987076), (2, 993538), (4, 496769), (7, 283868), (13, 152852), (14, 141934), (26, 76426), (28, 70967), (52, 38213), (53, 37492), (91, 21836), (103, 19292), (106, 18746), (182, 10918), (206, 9646), (212, 9373), (364, 5459), (371, 5356), (412, 4823), (689, 2884), (721, 2756), (742, 2678), (1339, 1484), (1378, 1442)]