291216198235

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{990043}}^1$

素因数の和:990798

約数の個数: 16

約数和(自身を含む): 353920929120

約数和(自身を除く): 62704730885

約数列:

[1, 5, 89, 445, 661, 3305, 58829, 294145, 990043, 4950215, 88113827, 440569135, 654418423, 3272092115, 58243239647, 291216198235]

約数ペア:

[(1, 291216198235), (5, 58243239647), (89, 3272092115), (445, 654418423), (661, 440569135), (3305, 88113827), (58829, 4950215), (294145, 990043)]