213215519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 235815840

約数和(自身を除く): 22600321

約数列:

[1, 11, 113, 337, 509, 1243, 3707, 5599, 38081, 57517, 171533, 418891, 632687, 1886863, 19383229, 213215519]

約数ペア:

[(1, 213215519), (11, 19383229), (113, 1886863), (337, 632687), (509, 418891), (1243, 171533), (3707, 57517), (5599, 38081)]