201999904855

素因数分解:

$5^1\times 7^1\times {\mathrm{21143}}^1\times {\mathrm{272971}}^1$

素因数の和:294126

約数の個数: 16

約数和(自身を含む): 277042558464

約数和(自身を除く): 75042653609

約数列:

[1, 5, 7, 35, 21143, 105715, 148001, 272971, 740005, 1364855, 1910797, 9553985, 5771425853, 28857129265, 40399980971, 201999904855]

約数ペア:

[(1, 201999904855), (5, 40399980971), (7, 28857129265), (35, 5771425853), (21143, 9553985), (105715, 1910797), (148001, 1364855), (272971, 740005)]