1215921265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{2281}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 1610179200

約数和(自身を除く): 394257935

約数列:

[1, 5, 13, 59, 65, 139, 295, 695, 767, 1807, 2281, 3835, 8201, 9035, 11405, 29653, 41005, 106613, 134579, 148265, 317059, 533065, 672895, 1585295, 1749527, 4121767, 8747635, 18706481, 20608835, 93532405, 243184253, 1215921265]

約数ペア:

[(1, 1215921265), (5, 243184253), (13, 93532405), (59, 20608835), (65, 18706481), (139, 8747635), (295, 4121767), (695, 1749527), (767, 1585295), (1807, 672895), (2281, 533065), (3835, 317059), (8201, 148265), (9035, 134579), (11405, 106613), (29653, 41005)]