260967455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 375595008

約数和(自身を除く): 114627553

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 305, 427, 1085, 1891, 2135, 3943, 9455, 13237, 19715, 27601, 66185, 122233, 138005, 240523, 611165, 855631, 1202615, 1683661, 4278155, 7456213, 8418305, 37281065, 52193491, 260967455]

約数ペア:

[(1, 260967455), (5, 52193491), (7, 37281065), (31, 8418305), (35, 7456213), (61, 4278155), (155, 1683661), (217, 1202615), (305, 855631), (427, 611165), (1085, 240523), (1891, 138005), (2135, 122233), (3943, 66185), (9455, 27601), (13237, 19715)]