89920831

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 126288288

約数和(自身を除く): 36367457

約数列:

[1, 7, 11, 13, 41, 49, 77, 91, 143, 287, 313, 451, 533, 539, 637, 1001, 2009, 2191, 3157, 3443, 3731, 4069, 5863, 7007, 12833, 15337, 22099, 24101, 26117, 28483, 41041, 44759, 89831, 141163, 166829, 168707, 199381, 287287, 313313, 628817, 988141, 1167803, 1835119, 2193191, 6916987, 8174621, 12845833, 89920831]

約数ペア:

[(1, 89920831), (7, 12845833), (11, 8174621), (13, 6916987), (41, 2193191), (49, 1835119), (77, 1167803), (91, 988141), (143, 628817), (287, 313313), (313, 287287), (451, 199381), (533, 168707), (539, 166829), (637, 141163), (1001, 89831), (2009, 44759), (2191, 41041), (3157, 28483), (3443, 26117), (3731, 24101), (4069, 22099), (5863, 15337), (7007, 12833)]