81628745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 111694464

約数和(自身を除く): 30065719

約数列:

[1, 5, 11, 41, 53, 55, 205, 265, 451, 583, 683, 2173, 2255, 2915, 3415, 7513, 10865, 23903, 28003, 36199, 37565, 119515, 140015, 180995, 308033, 398189, 1484159, 1540165, 1990945, 7420795, 16325749, 81628745]

約数ペア:

[(1, 81628745), (5, 16325749), (11, 7420795), (41, 1990945), (53, 1540165), (55, 1484159), (205, 398189), (265, 308033), (451, 180995), (583, 140015), (683, 119515), (2173, 37565), (2255, 36199), (2915, 28003), (3415, 23903), (7513, 10865)]