890397066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21727

約数の個数: 64

約数和(自身を含む): 2096188416

約数和(自身を除く): 1205791350

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 806, 1054, 1209, 1326, 1581, 2418, 3162, 6851, 13702, 20553, 21661, 41106, 43322, 64983, 129966, 281593, 368237, 563186, 671491, 736474, 844779, 1104711, 1342982, 1689558, 2014473, 2209422, 4028946, 4787081, 8729383, 9574162, 11415347, 14361243, 17458766, 22830694, 26188149, 28722486, 34246041, 52376298, 68492082, 148399511, 296799022, 445198533, 890397066]

約数ペア:

[(1, 890397066), (2, 445198533), (3, 296799022), (6, 148399511), (13, 68492082), (17, 52376298), (26, 34246041), (31, 28722486), (34, 26188149), (39, 22830694), (51, 17458766), (62, 14361243), (78, 11415347), (93, 9574162), (102, 8729383), (186, 4787081), (221, 4028946), (403, 2209422), (442, 2014473), (527, 1689558), (663, 1342982), (806, 1104711), (1054, 844779), (1209, 736474), (1326, 671491), (1581, 563186), (2418, 368237), (3162, 281593), (6851, 129966), (13702, 64983), (20553, 43322), (21661, 41106)]