199066903

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2179}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 235509760

約数和(自身を除く): 36442857

約数列:

[1, 7, 31, 217, 421, 2179, 2947, 13051, 15253, 67549, 91357, 472843, 917359, 6421513, 28438129, 199066903]

約数ペア:

[(1, 199066903), (7, 28438129), (31, 6421513), (217, 917359), (421, 472843), (2179, 91357), (2947, 67549), (13051, 15253)]