31991513584

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{101749}}^1$

素因数の和:102257

約数の個数: 40

約数和(自身を含む): 63564446000

約数和(自身を除く): 31572932416

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 457, 688, 914, 1828, 3656, 7312, 19651, 39302, 78604, 101749, 157208, 203498, 314416, 406996, 813992, 1627984, 4375207, 8750414, 17500828, 35001656, 46499293, 70003312, 92998586, 185997172, 371994344, 743988688, 1999469599, 3998939198, 7997878396, 15995756792, 31991513584]

約数ペア:

[(1, 31991513584), (2, 15995756792), (4, 7997878396), (8, 3998939198), (16, 1999469599), (43, 743988688), (86, 371994344), (172, 185997172), (344, 92998586), (457, 70003312), (688, 46499293), (914, 35001656), (1828, 17500828), (3656, 8750414), (7312, 4375207), (19651, 1627984), (39302, 813992), (78604, 406996), (101749, 314416), (157208, 203498)]