2000557557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3109}}^1$

素因数の和:3258

約数の個数: 48

約数和(自身を含む): 3143836800

約数和(自身を除く): 1143279243

約数列:

[1, 3, 9, 19, 53, 57, 71, 159, 171, 213, 477, 639, 1007, 1349, 3021, 3109, 3763, 4047, 9063, 9327, 11289, 12141, 27981, 33867, 59071, 71497, 164777, 177213, 214491, 220739, 494331, 531639, 643473, 662217, 1482993, 1986651, 3130763, 4194041, 9392289, 11699167, 12582123, 28176867, 35097501, 37746369, 105292503, 222284173, 666852519, 2000557557]

約数ペア:

[(1, 2000557557), (3, 666852519), (9, 222284173), (19, 105292503), (53, 37746369), (57, 35097501), (71, 28176867), (159, 12582123), (171, 11699167), (213, 9392289), (477, 4194041), (639, 3130763), (1007, 1986651), (1349, 1482993), (3021, 662217), (3109, 643473), (3763, 531639), (4047, 494331), (9063, 220739), (9327, 214491), (11289, 177213), (12141, 164777), (27981, 71497), (33867, 59071)]