278694

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 668640

約数和(自身を除く): 389946

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 397, 702, 794, 1191, 2382, 3573, 5161, 7146, 10322, 10719, 15483, 21438, 30966, 46449, 92898, 139347, 278694]

約数ペア:

[(1, 278694), (2, 139347), (3, 92898), (6, 46449), (9, 30966), (13, 21438), (18, 15483), (26, 10719), (27, 10322), (39, 7146), (54, 5161), (78, 3573), (117, 2382), (234, 1191), (351, 794), (397, 702)]