27786772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:137

約数の個数: 54

約数和(自身を含む): 56952798

約数和(自身を除く): 29166026

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 289, 442, 559, 578, 731, 884, 1118, 1156, 1462, 1849, 2236, 2924, 3698, 3757, 7396, 7514, 9503, 12427, 15028, 19006, 24037, 24854, 31433, 38012, 48074, 49708, 62866, 96148, 125732, 161551, 323102, 408629, 534361, 646204, 817258, 1068722, 1634516, 2137444, 6946693, 13893386, 27786772]

約数ペア:

[(1, 27786772), (2, 13893386), (4, 6946693), (13, 2137444), (17, 1634516), (26, 1068722), (34, 817258), (43, 646204), (52, 534361), (68, 408629), (86, 323102), (172, 161551), (221, 125732), (289, 96148), (442, 62866), (559, 49708), (578, 48074), (731, 38012), (884, 31433), (1118, 24854), (1156, 24037), (1462, 19006), (1849, 15028), (2236, 12427), (2924, 9503), (3698, 7514), (3757, 7396)]