648021258

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{7549}}^1$

素因数の和:7827

約数の個数: 48

約数和(自身を含む): 1484028000

約数和(自身を除く): 836006742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 251, 342, 502, 753, 1506, 2259, 4518, 4769, 7549, 9538, 14307, 15098, 22647, 28614, 42921, 45294, 67941, 85842, 135882, 143431, 286862, 430293, 860586, 1290879, 1894799, 2581758, 3789598, 5684397, 11368794, 17053191, 34106382, 36001181, 72002362, 108003543, 216007086, 324010629, 648021258]

約数ペア:

[(1, 648021258), (2, 324010629), (3, 216007086), (6, 108003543), (9, 72002362), (18, 36001181), (19, 34106382), (38, 17053191), (57, 11368794), (114, 5684397), (171, 3789598), (251, 2581758), (342, 1894799), (502, 1290879), (753, 860586), (1506, 430293), (2259, 286862), (4518, 143431), (4769, 135882), (7549, 85842), (9538, 67941), (14307, 45294), (15098, 42921), (22647, 28614)]