15678964996

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 29356629120

約数和(自身を除く): 13677664124

約数列:

[1, 2, 4, 19, 38, 76, 181, 239, 251, 361, 362, 478, 502, 722, 724, 956, 1004, 1444, 3439, 4541, 4769, 6878, 9082, 9538, 13756, 18164, 19076, 43259, 45431, 59989, 65341, 86279, 86518, 90611, 90862, 119978, 130682, 172558, 173036, 181222, 181724, 239956, 261364, 345116, 362444, 821921, 863189, 1139791, 1643842, 1726378, 2279582, 3287684, 3452756, 4559164, 10858009, 15616499, 16400591, 21656029, 21716018, 31232998, 32801182, 43312058, 43432036, 62465996, 65602364, 86624116, 206302171, 412604342, 825208684, 3919741249, 7839482498, 15678964996]

約数ペア:

[(1, 15678964996), (2, 7839482498), (4, 3919741249), (19, 825208684), (38, 412604342), (76, 206302171), (181, 86624116), (239, 65602364), (251, 62465996), (361, 43432036), (362, 43312058), (478, 32801182), (502, 31232998), (722, 21716018), (724, 21656029), (956, 16400591), (1004, 15616499), (1444, 10858009), (3439, 4559164), (4541, 3452756), (4769, 3287684), (6878, 2279582), (9082, 1726378), (9538, 1643842), (13756, 1139791), (18164, 863189), (19076, 821921), (43259, 362444), (45431, 345116), (59989, 261364), (65341, 239956), (86279, 181724), (86518, 181222), (90611, 173036), (90862, 172558), (119978, 130682)]