81831724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{4219}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 154671440

約数和(自身を除く): 72839716

約数列:

[1, 2, 4, 13, 26, 52, 373, 746, 1492, 4219, 4849, 8438, 9698, 16876, 19396, 54847, 109694, 219388, 1573687, 3147374, 6294748, 20457931, 40915862, 81831724]

約数ペア:

[(1, 81831724), (2, 40915862), (4, 20457931), (13, 6294748), (26, 3147374), (52, 1573687), (373, 219388), (746, 109694), (1492, 54847), (4219, 19396), (4849, 16876), (8438, 9698)]