1813469

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2190336

約数和(自身を除く): 376867

約数列:

[1, 7, 31, 61, 137, 217, 427, 959, 1891, 4247, 8357, 13237, 29729, 58499, 259067, 1813469]

約数ペア:

[(1, 1813469), (7, 259067), (31, 58499), (61, 29729), (137, 13237), (217, 8357), (427, 4247), (959, 1891)]