2581108957

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3463}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 3142540800

約数和(自身を除く): 561431843

約数列:

[1, 7, 41, 49, 53, 287, 343, 371, 2009, 2173, 2597, 3463, 14063, 15211, 18179, 24241, 106477, 141983, 169687, 183539, 745339, 993881, 1187809, 1284773, 6957167, 7525099, 8993411, 48700169, 52675693, 62953877, 368729851, 2581108957]

約数ペア:

[(1, 2581108957), (7, 368729851), (41, 62953877), (49, 52675693), (53, 48700169), (287, 8993411), (343, 7525099), (371, 6957167), (2009, 1284773), (2173, 1187809), (2597, 993881), (3463, 745339), (14063, 183539), (15211, 169687), (18179, 141983), (24241, 106477)]