290147653579

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{20719}}^1\times {\mathrm{86981}}^1$

素因数の和:107730

約数の個数: 16

約数和(自身を含む): 346035271680

約数和(自身を除く): 55887618101

約数列:

[1, 7, 23, 161, 20719, 86981, 145033, 476537, 608867, 2000563, 3335759, 14003941, 1802159339, 12615115373, 41449664797, 290147653579]

約数ペア:

[(1, 290147653579), (7, 41449664797), (23, 12615115373), (161, 1802159339), (20719, 14003941), (86981, 3335759), (145033, 2000563), (476537, 608867)]