221486278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 367557120

約数和(自身を除く): 146070842

約数列:

[1, 2, 13, 26, 47, 94, 211, 422, 611, 859, 1222, 1718, 2743, 5486, 9917, 11167, 19834, 22334, 40373, 80746, 128921, 181249, 257842, 362498, 524849, 1049698, 2356237, 4712474, 8518703, 17037406, 110743139, 221486278]

約数ペア:

[(1, 221486278), (2, 110743139), (13, 17037406), (26, 8518703), (47, 4712474), (94, 2356237), (211, 1049698), (422, 524849), (611, 362498), (859, 257842), (1222, 181249), (1718, 128921), (2743, 80746), (5486, 40373), (9917, 22334), (11167, 19834)]