991789898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1669}}^1\times {\mathrm{27011}}^1$

素因数の和:28693

約数の個数: 16

約数和(自身を含む): 1623961440

約数和(自身を除く): 632171542

約数列:

[1, 2, 11, 22, 1669, 3338, 18359, 27011, 36718, 54022, 297121, 594242, 45081359, 90162718, 495894949, 991789898]

約数ペア:

[(1, 991789898), (2, 495894949), (11, 90162718), (22, 45081359), (1669, 594242), (3338, 297121), (18359, 54022), (27011, 36718)]