68439748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 138438720

約数和(自身を除く): 69998972

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 494, 689, 988, 1007, 1307, 1378, 2014, 2614, 2756, 4028, 5228, 13091, 16991, 24833, 26182, 33982, 49666, 52364, 67964, 69271, 99332, 138542, 277084, 322829, 645658, 900523, 1291316, 1316149, 1801046, 2632298, 3602092, 5264596, 17109937, 34219874, 68439748]

約数ペア:

[(1, 68439748), (2, 34219874), (4, 17109937), (13, 5264596), (19, 3602092), (26, 2632298), (38, 1801046), (52, 1316149), (53, 1291316), (76, 900523), (106, 645658), (212, 322829), (247, 277084), (494, 138542), (689, 99332), (988, 69271), (1007, 67964), (1307, 52364), (1378, 49666), (2014, 33982), (2614, 26182), (2756, 24833), (4028, 16991), (5228, 13091)]