399389614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{808481}}^1$

素因数の和:808515

約数の個数: 16

約数和(自身を含む): 679124880

約数和(自身を除く): 279735266

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 808481, 1616962, 10510253, 15361139, 21020506, 30722278, 199694807, 399389614]

約数ペア:

[(1, 399389614), (2, 199694807), (13, 30722278), (19, 21020506), (26, 15361139), (38, 10510253), (247, 1616962), (494, 808481)]