81433768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{1117}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 164815560

約数和(自身を除く): 83381792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 701, 1117, 1402, 2234, 2804, 4468, 5608, 8936, 9113, 14521, 18226, 29042, 36452, 58084, 72904, 116168, 783017, 1566034, 3132068, 6264136, 10179221, 20358442, 40716884, 81433768]

約数ペア:

[(1, 81433768), (2, 40716884), (4, 20358442), (8, 10179221), (13, 6264136), (26, 3132068), (52, 1566034), (104, 783017), (701, 116168), (1117, 72904), (1402, 58084), (2234, 36452), (2804, 29042), (4468, 18226), (5608, 14521), (8936, 9113)]