201987005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{683}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 279728640

約数和(自身を除く): 77741635

約数列:

[1, 5, 11, 19, 55, 95, 209, 283, 683, 1045, 1415, 3113, 3415, 5377, 7513, 12977, 15565, 26885, 37565, 59147, 64885, 142747, 193289, 295735, 713735, 966445, 2126179, 3672491, 10630895, 18362455, 40397401, 201987005]

約数ペア:

[(1, 201987005), (5, 40397401), (11, 18362455), (19, 10630895), (55, 3672491), (95, 2126179), (209, 966445), (283, 713735), (683, 295735), (1045, 193289), (1415, 142747), (3113, 64885), (3415, 59147), (5377, 37565), (7513, 26885), (12977, 15565)]