15995226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 21260454

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 251, 258, 494, 502, 559, 741, 753, 817, 1118, 1482, 1506, 1634, 1677, 2451, 3263, 3354, 4769, 4902, 6526, 9538, 9789, 10621, 10793, 14307, 19578, 21242, 21586, 28614, 31863, 32379, 61997, 63726, 64758, 123994, 140309, 185991, 205067, 280618, 371982, 410134, 420927, 615201, 841854, 1230402, 2665871, 5331742, 7997613, 15995226]

約数ペア:

[(1, 15995226), (2, 7997613), (3, 5331742), (6, 2665871), (13, 1230402), (19, 841854), (26, 615201), (38, 420927), (39, 410134), (43, 371982), (57, 280618), (78, 205067), (86, 185991), (114, 140309), (129, 123994), (247, 64758), (251, 63726), (258, 61997), (494, 32379), (502, 31863), (559, 28614), (741, 21586), (753, 21242), (817, 19578), (1118, 14307), (1482, 10793), (1506, 10621), (1634, 9789), (1677, 9538), (2451, 6526), (3263, 4902), (3354, 4769)]