664492912

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 1299046320

約数和(自身を除く): 634553408

約数列:

[1, 2, 4, 8, 16, 241, 389, 443, 482, 778, 886, 964, 1556, 1772, 1928, 3112, 3544, 3856, 6224, 7088, 93749, 106763, 172327, 187498, 213526, 344654, 374996, 427052, 689308, 749992, 854104, 1378616, 1499984, 1708208, 2757232, 41530807, 83061614, 166123228, 332246456, 664492912]

約数ペア:

[(1, 664492912), (2, 332246456), (4, 166123228), (8, 83061614), (16, 41530807), (241, 2757232), (389, 1708208), (443, 1499984), (482, 1378616), (778, 854104), (886, 749992), (964, 689308), (1556, 427052), (1772, 374996), (1928, 344654), (3112, 213526), (3544, 187498), (3856, 172327), (6224, 106763), (7088, 93749)]