77981704

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{226691}}^1$

素因数の和:226740

約数の個数: 16

約数和(自身を含む): 149616720

約数和(自身を除く): 71635016

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 226691, 453382, 906764, 1813528, 9747713, 19495426, 38990852, 77981704]

約数ペア:

[(1, 77981704), (2, 38990852), (4, 19495426), (8, 9747713), (43, 1813528), (86, 906764), (172, 453382), (344, 226691)]