987217099775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1\times {\mathrm{12539}}^1$

素因数の和:14648

約数の個数: 48

約数和(自身を含む): 1304860233600

約数和(自身を除く): 317643133825

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 1997, 2075, 7885, 9985, 12539, 37943, 39425, 49925, 62695, 165751, 189715, 238241, 313475, 828755, 948575, 1040737, 1191205, 3149269, 4143775, 5203685, 5956025, 15746345, 19774003, 25040383, 26018425, 78731725, 98870015, 125201915, 475767277, 494350075, 626009575, 2078351789, 2378836385, 10391758945, 11894181925, 39488683991, 51958794725, 197443419955, 987217099775]

約数ペア:

[(1, 987217099775), (5, 197443419955), (19, 51958794725), (25, 39488683991), (83, 11894181925), (95, 10391758945), (415, 2378836385), (475, 2078351789), (1577, 626009575), (1997, 494350075), (2075, 475767277), (7885, 125201915), (9985, 98870015), (12539, 78731725), (37943, 26018425), (39425, 25040383), (49925, 19774003), (62695, 15746345), (165751, 5956025), (189715, 5203685), (238241, 4143775), (313475, 3149269), (828755, 1191205), (948575, 1040737)]