4397456

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 60

約数和(自身を含む): 10177920

約数和(自身を除く): 5780464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 79, 98, 112, 142, 158, 196, 284, 316, 392, 497, 553, 568, 632, 784, 994, 1106, 1136, 1264, 1988, 2212, 3479, 3871, 3976, 4424, 5609, 6958, 7742, 7952, 8848, 11218, 13916, 15484, 22436, 27832, 30968, 39263, 44872, 55664, 61936, 78526, 89744, 157052, 274841, 314104, 549682, 628208, 1099364, 2198728, 4397456]

約数ペア:

[(1, 4397456), (2, 2198728), (4, 1099364), (7, 628208), (8, 549682), (14, 314104), (16, 274841), (28, 157052), (49, 89744), (56, 78526), (71, 61936), (79, 55664), (98, 44872), (112, 39263), (142, 30968), (158, 27832), (196, 22436), (284, 15484), (316, 13916), (392, 11218), (497, 8848), (553, 7952), (568, 7742), (632, 6958), (784, 5609), (994, 4424), (1106, 3976), (1136, 3871), (1264, 3479), (1988, 2212)]