25356431919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{17293}}^1$

素因数の和:17488

約数の個数: 64

約数和(自身を含む): 42953315328

約数和(自身を除く): 17596883409

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 131, 273, 287, 393, 533, 861, 917, 1599, 1703, 2751, 3731, 5109, 5371, 11193, 11921, 16113, 17293, 35763, 37597, 51879, 69823, 112791, 121051, 209469, 224809, 363153, 488761, 674427, 709013, 1466283, 1573663, 2127039, 2265383, 4720989, 4963091, 6796149, 9217169, 14889273, 15857681, 27651507, 29449979, 47573043, 64520183, 88349937, 92880703, 193560549, 206149853, 278642109, 618449559, 650164921, 1207449139, 1950494763, 3622347417, 8452143973, 25356431919]

約数ペア:

[(1, 25356431919), (3, 8452143973), (7, 3622347417), (13, 1950494763), (21, 1207449139), (39, 650164921), (41, 618449559), (91, 278642109), (123, 206149853), (131, 193560549), (273, 92880703), (287, 88349937), (393, 64520183), (533, 47573043), (861, 29449979), (917, 27651507), (1599, 15857681), (1703, 14889273), (2751, 9217169), (3731, 6796149), (5109, 4963091), (5371, 4720989), (11193, 2265383), (11921, 2127039), (16113, 1573663), (17293, 1466283), (35763, 709013), (37597, 674427), (51879, 488761), (69823, 363153), (112791, 224809), (121051, 209469)]