219877808

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 434737056

約数和(自身を除く): 214859248

約数列:

[1, 2, 4, 8, 16, 101, 103, 202, 206, 404, 412, 808, 824, 1321, 1616, 1648, 2642, 5284, 10403, 10568, 20806, 21136, 41612, 83224, 133421, 136063, 166448, 266842, 272126, 533684, 544252, 1067368, 1088504, 2134736, 2177008, 13742363, 27484726, 54969452, 109938904, 219877808]

約数ペア:

[(1, 219877808), (2, 109938904), (4, 54969452), (8, 27484726), (16, 13742363), (101, 2177008), (103, 2134736), (202, 1088504), (206, 1067368), (404, 544252), (412, 533684), (808, 272126), (824, 266842), (1321, 166448), (1616, 136063), (1648, 133421), (2642, 83224), (5284, 41612), (10403, 21136), (10568, 20806)]