209968486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 395037216

約数和(自身を除く): 185068730

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 257, 469, 514, 871, 938, 1742, 1799, 3341, 3598, 4489, 6097, 6682, 8978, 12194, 17219, 23387, 31423, 34438, 46774, 58357, 62846, 116714, 120533, 223847, 241066, 408499, 447694, 816998, 1153673, 1566929, 2307346, 3133858, 8075711, 14997749, 16151422, 29995498, 104984243, 209968486]

約数ペア:

[(1, 209968486), (2, 104984243), (7, 29995498), (13, 16151422), (14, 14997749), (26, 8075711), (67, 3133858), (91, 2307346), (134, 1566929), (182, 1153673), (257, 816998), (469, 447694), (514, 408499), (871, 241066), (938, 223847), (1742, 120533), (1799, 116714), (3341, 62846), (3598, 58357), (4489, 46774), (6097, 34438), (6682, 31423), (8978, 23387), (12194, 17219)]