77989616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113357}}^1$

素因数の和:113408

約数の個数: 20

約数和(自身を含む): 154620312

約数和(自身を除く): 76630696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 113357, 226714, 453428, 906856, 1813712, 4874351, 9748702, 19497404, 38994808, 77989616]

約数ペア:

[(1, 77989616), (2, 38994808), (4, 19497404), (8, 9748702), (16, 4874351), (43, 1813712), (86, 906856), (172, 453428), (344, 226714), (688, 113357)]