1440890878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{80849}}^1$

素因数の和:80944

約数の個数: 32

約数和(自身を含む): 2638944000

約数和(自身を除く): 1198053122

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 2546, 8911, 17822, 80849, 161698, 565943, 1131886, 1536131, 3072262, 5416883, 10752917, 10833766, 21505834, 37918181, 75836362, 102920777, 205841554, 720445439, 1440890878]

約数ペア:

[(1, 1440890878), (2, 720445439), (7, 205841554), (14, 102920777), (19, 75836362), (38, 37918181), (67, 21505834), (133, 10833766), (134, 10752917), (266, 5416883), (469, 3072262), (938, 1536131), (1273, 1131886), (2546, 565943), (8911, 161698), (17822, 80849)]