131423468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 259144704

約数和(自身を除く): 127721236

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 103, 188, 206, 412, 517, 617, 1034, 1133, 1234, 2068, 2266, 2468, 4532, 4841, 6787, 9682, 13574, 19364, 27148, 28999, 53251, 57998, 63551, 106502, 115996, 127102, 213004, 254204, 318989, 637978, 699061, 1275956, 1398122, 2796244, 2986897, 5973794, 11947588, 32855867, 65711734, 131423468]

約数ペア:

[(1, 131423468), (2, 65711734), (4, 32855867), (11, 11947588), (22, 5973794), (44, 2986897), (47, 2796244), (94, 1398122), (103, 1275956), (188, 699061), (206, 637978), (412, 318989), (517, 254204), (617, 213004), (1034, 127102), (1133, 115996), (1234, 106502), (2068, 63551), (2266, 57998), (2468, 53251), (4532, 28999), (4841, 27148), (6787, 19364), (9682, 13574)]