28738794

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 67305600

約数和(自身を除く): 38566806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 239, 294, 409, 478, 717, 818, 1227, 1434, 1673, 2454, 2863, 3346, 5019, 5726, 8589, 10038, 11711, 17178, 20041, 23422, 35133, 40082, 60123, 70266, 97751, 120246, 195502, 293253, 586506, 684257, 1368514, 2052771, 4105542, 4789799, 9579598, 14369397, 28738794]

約数ペア:

[(1, 28738794), (2, 14369397), (3, 9579598), (6, 4789799), (7, 4105542), (14, 2052771), (21, 1368514), (42, 684257), (49, 586506), (98, 293253), (147, 195502), (239, 120246), (294, 97751), (409, 70266), (478, 60123), (717, 40082), (818, 35133), (1227, 23422), (1434, 20041), (1673, 17178), (2454, 11711), (2863, 10038), (3346, 8589), (5019, 5726)]