390402208

素因数分解:

$2^5\times 7^2\times {\mathrm{248981}}^1$

素因数の和:249005

約数の個数: 36

約数和(自身を含む): 894094362

約数和(自身を除く): 503692154

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 248981, 497962, 995924, 1742867, 1991848, 3485734, 3983696, 6971468, 7967392, 12200069, 13942936, 24400138, 27885872, 48800276, 55771744, 97600552, 195201104, 390402208]

約数ペア:

[(1, 390402208), (2, 195201104), (4, 97600552), (7, 55771744), (8, 48800276), (14, 27885872), (16, 24400138), (28, 13942936), (32, 12200069), (49, 7967392), (56, 6971468), (98, 3983696), (112, 3485734), (196, 1991848), (224, 1742867), (392, 995924), (784, 497962), (1568, 248981)]