279708

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 771456

約数和(自身を除く): 491748

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 163, 286, 326, 429, 489, 572, 652, 858, 978, 1716, 1793, 1956, 2119, 3586, 4238, 5379, 6357, 7172, 8476, 10758, 12714, 21516, 23309, 25428, 46618, 69927, 93236, 139854, 279708]

約数ペア:

[(1, 279708), (2, 139854), (3, 93236), (4, 69927), (6, 46618), (11, 25428), (12, 23309), (13, 21516), (22, 12714), (26, 10758), (33, 8476), (39, 7172), (44, 6357), (52, 5379), (66, 4238), (78, 3586), (132, 2119), (143, 1956), (156, 1793), (163, 1716), (286, 978), (326, 858), (429, 652), (489, 572)]