81687088

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17789}}^1$

素因数の和:17845

約数の個数: 40

約数和(自身を含む): 185300640

約数和(自身を除く): 103613552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 17789, 35578, 71156, 124523, 142312, 249046, 284624, 498092, 729349, 996184, 1458698, 1992368, 2917396, 5105443, 5834792, 10210886, 11669584, 20421772, 40843544, 81687088]

約数ペア:

[(1, 81687088), (2, 40843544), (4, 20421772), (7, 11669584), (8, 10210886), (14, 5834792), (16, 5105443), (28, 2917396), (41, 1992368), (56, 1458698), (82, 996184), (112, 729349), (164, 498092), (287, 284624), (328, 249046), (574, 142312), (656, 124523), (1148, 71156), (2296, 35578), (4592, 17789)]