87311984

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{89459}}^1$

素因数の和:89528

約数の個数: 20

約数和(自身を含む): 171942120

約数和(自身を除く): 84630136

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 89459, 178918, 357836, 715672, 1431344, 5456999, 10913998, 21827996, 43655992, 87311984]

約数ペア:

[(1, 87311984), (2, 43655992), (4, 21827996), (8, 10913998), (16, 5456999), (61, 1431344), (122, 715672), (244, 357836), (488, 178918), (976, 89459)]