137880188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 268477440

約数和(自身を除く): 130597252

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 589, 817, 1178, 1333, 1361, 1634, 2356, 2666, 2722, 3268, 5332, 5444, 25327, 25859, 42191, 50654, 51718, 58523, 84382, 101308, 103436, 117046, 168764, 234092, 801629, 1111937, 1603258, 1814213, 2223874, 3206516, 3628426, 4447748, 7256852, 34470047, 68940094, 137880188]

約数ペア:

[(1, 137880188), (2, 68940094), (4, 34470047), (19, 7256852), (31, 4447748), (38, 3628426), (43, 3206516), (62, 2223874), (76, 1814213), (86, 1603258), (124, 1111937), (172, 801629), (589, 234092), (817, 168764), (1178, 117046), (1333, 103436), (1361, 101308), (1634, 84382), (2356, 58523), (2666, 51718), (2722, 50654), (3268, 42191), (5332, 25859), (5444, 25327)]