28138068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111659}}^1$

素因数の和:111676

約数の個数: 36

約数和(自身を含む): 81288480

約数和(自身を除く): 53150412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111659, 223318, 334977, 446636, 669954, 781613, 1004931, 1339908, 1563226, 2009862, 2344839, 3126452, 4019724, 4689678, 7034517, 9379356, 14069034, 28138068]

約数ペア:

[(1, 28138068), (2, 14069034), (3, 9379356), (4, 7034517), (6, 4689678), (7, 4019724), (9, 3126452), (12, 2344839), (14, 2009862), (18, 1563226), (21, 1339908), (28, 1004931), (36, 781613), (42, 669954), (63, 446636), (84, 334977), (126, 223318), (252, 111659)]