997898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 1659744

約数和(自身を除く): 661846

約数列:

[1, 2, 11, 22, 67, 134, 677, 737, 1354, 1474, 7447, 14894, 45359, 90718, 498949, 997898]

約数ペア:

[(1, 997898), (2, 498949), (11, 90718), (22, 45359), (67, 14894), (134, 7447), (677, 1474), (737, 1354)]