68629988

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{719}}^1$

素因数の和:1224

約数の個数: 36

約数和(自身を含む): 140192640

約数和(自身を除く): 71562652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 719, 974, 1438, 1948, 2876, 3409, 5033, 6818, 10066, 13636, 20132, 23863, 35231, 47726, 70462, 95452, 140924, 350153, 700306, 1400612, 2451071, 4902142, 9804284, 17157497, 34314994, 68629988]

約数ペア:

[(1, 68629988), (2, 34314994), (4, 17157497), (7, 9804284), (14, 4902142), (28, 2451071), (49, 1400612), (98, 700306), (196, 350153), (487, 140924), (719, 95452), (974, 70462), (1438, 47726), (1948, 35231), (2876, 23863), (3409, 20132), (5033, 13636), (6818, 10066)]