645438

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 1305360

約数和(自身を除く): 659922

約数列:

[1, 2, 3, 6, 97, 194, 291, 582, 1109, 2218, 3327, 6654, 107573, 215146, 322719, 645438]

約数ペア:

[(1, 645438), (2, 322719), (3, 215146), (6, 107573), (97, 6654), (194, 3327), (291, 2218), (582, 1109)]