639341042879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1\times {\mathrm{38993}}^1$

素因数の和:45911

約数の個数: 32

約数和(自身を含む): 822954332160

約数和(自身を除く): 183613289281

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 6869, 38993, 48083, 75559, 212939, 272951, 428923, 528913, 1208783, 1490573, 2342329, 3002461, 8461481, 13296613, 16396303, 93076291, 267842917, 1874900419, 2946272087, 8303130427, 20623904609, 58121912989, 91334434697, 639341042879]

約数ペア:

[(1, 639341042879), (7, 91334434697), (11, 58121912989), (31, 20623904609), (77, 8303130427), (217, 2946272087), (341, 1874900419), (2387, 267842917), (6869, 93076291), (38993, 16396303), (48083, 13296613), (75559, 8461481), (212939, 3002461), (272951, 2342329), (428923, 1490573), (528913, 1208783)]