66888731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 86102016

約数和(自身を除く): 19213285

約数列:

[1, 7, 13, 31, 91, 131, 181, 217, 403, 917, 1267, 1703, 2353, 2821, 4061, 5611, 11921, 16471, 23711, 28427, 39277, 52793, 72943, 165977, 308243, 369551, 510601, 735041, 2157701, 5145287, 9555533, 66888731]

約数ペア:

[(1, 66888731), (7, 9555533), (13, 5145287), (31, 2157701), (91, 735041), (131, 510601), (181, 369551), (217, 308243), (403, 165977), (917, 72943), (1267, 52793), (1703, 39277), (2353, 28427), (2821, 23711), (4061, 16471), (5611, 11921)]