989969259

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 1395878400

約数和(自身を除く): 405909141

約数列:

[1, 3, 29, 71, 87, 139, 213, 417, 1153, 2059, 3459, 4031, 6177, 9869, 12093, 29607, 33437, 81863, 100311, 160267, 245589, 286201, 480801, 858603, 2374027, 4647743, 7122081, 11378957, 13943229, 34136871, 329989753, 989969259]

約数ペア:

[(1, 989969259), (3, 329989753), (29, 34136871), (71, 13943229), (87, 11378957), (139, 7122081), (213, 4647743), (417, 2374027), (1153, 858603), (2059, 480801), (3459, 286201), (4031, 245589), (6177, 160267), (9869, 100311), (12093, 81863), (29607, 33437)]