217804552

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{53279}}^1$

素因数の和:53365

約数の個数: 32

約数和(自身を含む): 473126400

約数和(自身を除く): 255321848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 53279, 106558, 213116, 372953, 426232, 745906, 1491812, 2983624, 3889367, 7778734, 15557468, 27225569, 31114936, 54451138, 108902276, 217804552]

約数ペア:

[(1, 217804552), (2, 108902276), (4, 54451138), (7, 31114936), (8, 27225569), (14, 15557468), (28, 7778734), (56, 3889367), (73, 2983624), (146, 1491812), (292, 745906), (511, 426232), (584, 372953), (1022, 213116), (2044, 106558), (4088, 53279)]