1689594985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{1549}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 2220170400

約数和(自身を除く): 530575415

約数列:

[1, 5, 13, 65, 97, 173, 485, 865, 1261, 1549, 2249, 6305, 7745, 11245, 16781, 20137, 83905, 100685, 150253, 218153, 267977, 751265, 1090765, 1339885, 1953289, 3483701, 9766445, 17418505, 25993769, 129968845, 337918997, 1689594985]

約数ペア:

[(1, 1689594985), (5, 337918997), (13, 129968845), (65, 25993769), (97, 17418505), (173, 9766445), (485, 3483701), (865, 1953289), (1261, 1339885), (1549, 1090765), (2249, 751265), (6305, 267977), (7745, 218153), (11245, 150253), (16781, 100685), (20137, 83905)]