890021522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43943}}^1$

素因数の和:44018

約数の個数: 32

約数和(自身を含む): 1550344320

約数和(自身を除く): 660322798

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1066, 1558, 10127, 20254, 43943, 87886, 571259, 834917, 1142518, 1669834, 1801663, 3603326, 10853921, 21707842, 23421619, 34231597, 46843238, 68463194, 445010761, 890021522]

約数ペア:

[(1, 890021522), (2, 445010761), (13, 68463194), (19, 46843238), (26, 34231597), (38, 23421619), (41, 21707842), (82, 10853921), (247, 3603326), (494, 1801663), (533, 1669834), (779, 1142518), (1066, 834917), (1558, 571259), (10127, 87886), (20254, 43943)]