138691756

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{1453}}^1$

素因数の和:1958

約数の個数: 36

約数和(自身を含む): 283111248

約数和(自身を除く): 144419492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 974, 1453, 1948, 2906, 3409, 5812, 6818, 10171, 13636, 20342, 23863, 40684, 47726, 71197, 95452, 142394, 284788, 707611, 1415222, 2830444, 4953277, 9906554, 19813108, 34672939, 69345878, 138691756]

約数ペア:

[(1, 138691756), (2, 69345878), (4, 34672939), (7, 19813108), (14, 9906554), (28, 4953277), (49, 2830444), (98, 1415222), (196, 707611), (487, 284788), (974, 142394), (1453, 95452), (1948, 71197), (2906, 47726), (3409, 40684), (5812, 23863), (6818, 20342), (10171, 13636)]