209969235856

素因数分解:

$2^4\times {\mathrm{1663}}^1\times {\mathrm{7891207}}^1$

素因数の和:7892878

約数の個数: 20

約数和(自身を含む): 407060073472

約数和(自身を除く): 197090837616

約数列:

[1, 2, 4, 8, 16, 1663, 3326, 6652, 13304, 26608, 7891207, 15782414, 31564828, 63129656, 126259312, 13123077241, 26246154482, 52492308964, 104984617928, 209969235856]

約数ペア:

[(1, 209969235856), (2, 104984617928), (4, 52492308964), (8, 26246154482), (16, 13123077241), (1663, 126259312), (3326, 63129656), (6652, 31564828), (13304, 15782414), (26608, 7891207)]