1277716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 2479680

約数和(自身を除く): 1201964

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 409, 781, 818, 1562, 1636, 3124, 4499, 8998, 17996, 29039, 58078, 116156, 319429, 638858, 1277716]

約数ペア:

[(1, 1277716), (2, 638858), (4, 319429), (11, 116156), (22, 58078), (44, 29039), (71, 17996), (142, 8998), (284, 4499), (409, 3124), (781, 1636), (818, 1562)]