1997402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:733

約数の個数: 16

約数和(自身を含む): 3294432

約数和(自身を除く): 1297030

約数列:

[1, 2, 11, 22, 163, 326, 557, 1114, 1793, 3586, 6127, 12254, 90791, 181582, 998701, 1997402]

約数ペア:

[(1, 1997402), (2, 998701), (11, 181582), (22, 90791), (163, 12254), (326, 6127), (557, 3586), (1114, 1793)]