7872462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 19459440

約数和(自身を除く): 11586978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1979, 1989, 3958, 3978, 5937, 11874, 17811, 25727, 33643, 35622, 51454, 67286, 77181, 100929, 154362, 201858, 231543, 302787, 437359, 463086, 605574, 874718, 1312077, 2624154, 3936231, 7872462]

約数ペア:

[(1, 7872462), (2, 3936231), (3, 2624154), (6, 1312077), (9, 874718), (13, 605574), (17, 463086), (18, 437359), (26, 302787), (34, 231543), (39, 201858), (51, 154362), (78, 100929), (102, 77181), (117, 67286), (153, 51454), (221, 35622), (234, 33643), (306, 25727), (442, 17811), (663, 11874), (1326, 5937), (1979, 3978), (1989, 3958)]