1646891988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{632447}}^1$

素因数の和:632492

約数の個数: 48

約数和(自身を含む): 4533387264

約数和(自身を除く): 2886495276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 632447, 1264894, 1897341, 2529788, 3794682, 4427129, 7589364, 8854258, 13281387, 17708516, 19605857, 26562774, 39211714, 53125548, 58817571, 78423428, 117635142, 137240999, 235270284, 274481998, 411722997, 548963996, 823445994, 1646891988]

約数ペア:

[(1, 1646891988), (2, 823445994), (3, 548963996), (4, 411722997), (6, 274481998), (7, 235270284), (12, 137240999), (14, 117635142), (21, 78423428), (28, 58817571), (31, 53125548), (42, 39211714), (62, 26562774), (84, 19605857), (93, 17708516), (124, 13281387), (186, 8854258), (217, 7589364), (372, 4427129), (434, 3794682), (651, 2529788), (868, 1897341), (1302, 1264894), (2604, 632447)]