1997918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 24

約数和(自身を含む): 3399408

約数和(自身を除く): 1401490

約数列:

[1, 2, 13, 23, 26, 46, 169, 257, 299, 338, 514, 598, 3341, 3887, 5911, 6682, 7774, 11822, 43433, 76843, 86866, 153686, 998959, 1997918]

約数ペア:

[(1, 1997918), (2, 998959), (13, 153686), (23, 86866), (26, 76843), (46, 43433), (169, 11822), (257, 7774), (299, 6682), (338, 5911), (514, 3887), (598, 3341)]