28771684

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{24889}}^1$

素因数の和:24927

約数の個数: 18

約数和(自身を含む): 53488610

約数和(自身を除く): 24716926

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 24889, 49778, 99556, 423113, 846226, 1692452, 7192921, 14385842, 28771684]

約数ペア:

[(1, 28771684), (2, 14385842), (4, 7192921), (17, 1692452), (34, 846226), (68, 423113), (289, 99556), (578, 49778), (1156, 24889)]