261201995

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{4483}}^1$

素因数の和:4802

約数の個数: 16

約数和(自身を含む): 321987072

約数和(自身を除く): 60785077

約数列:

[1, 5, 43, 215, 271, 1355, 4483, 11653, 22415, 58265, 192769, 963845, 1214893, 6074465, 52240399, 261201995]

約数ペア:

[(1, 261201995), (5, 52240399), (43, 6074465), (215, 1214893), (271, 963845), (1355, 192769), (4483, 58265), (11653, 22415)]