1640383888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{716951}}^1$

素因数の和:716983

約数の個数: 40

約数和(自身を含む): 3733886016

約数和(自身を除く): 2093502128

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 716951, 1433902, 2867804, 5735608, 7886461, 9320363, 11471216, 15772922, 18640726, 31545844, 37281452, 63091688, 74562904, 102523993, 126183376, 149125808, 205047986, 410095972, 820191944, 1640383888]

約数ペア:

[(1, 1640383888), (2, 820191944), (4, 410095972), (8, 205047986), (11, 149125808), (13, 126183376), (16, 102523993), (22, 74562904), (26, 63091688), (44, 37281452), (52, 31545844), (88, 18640726), (104, 15772922), (143, 11471216), (176, 9320363), (208, 7886461), (286, 5735608), (572, 2867804), (1144, 1433902), (2288, 716951)]