128608711

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 165053952

約数和(自身を除く): 36445241

約数列:

[1, 7, 11, 67, 77, 97, 257, 469, 679, 737, 1067, 1799, 2827, 5159, 6499, 7469, 17219, 19789, 24929, 45493, 71489, 120533, 174503, 189409, 274219, 500423, 1325863, 1670243, 1919533, 11691701, 18372673, 128608711]

約数ペア:

[(1, 128608711), (7, 18372673), (11, 11691701), (67, 1919533), (77, 1670243), (97, 1325863), (257, 500423), (469, 274219), (679, 189409), (737, 174503), (1067, 120533), (1799, 71489), (2827, 45493), (5159, 24929), (6499, 19789), (7469, 17219)]