217177744

素因数分解:

$2^4\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1997}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 481629888

約数和(自身を除く): 264452144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 971, 1942, 1997, 3884, 3994, 6797, 7768, 7988, 13594, 13979, 15536, 15976, 27188, 27958, 31952, 54376, 55916, 108752, 111832, 223664, 1939087, 3878174, 7756348, 13573609, 15512696, 27147218, 31025392, 54294436, 108588872, 217177744]

約数ペア:

[(1, 217177744), (2, 108588872), (4, 54294436), (7, 31025392), (8, 27147218), (14, 15512696), (16, 13573609), (28, 7756348), (56, 3878174), (112, 1939087), (971, 223664), (1942, 111832), (1997, 108752), (3884, 55916), (3994, 54376), (6797, 31952), (7768, 27958), (7988, 27188), (13594, 15976), (13979, 15536)]