228915743

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 54130657

約数列:

[1, 7, 19, 83, 89, 133, 233, 581, 623, 1577, 1631, 1691, 4427, 7387, 11039, 11837, 19339, 20737, 30989, 51709, 135373, 140353, 145159, 367441, 394003, 982471, 1721171, 2572087, 2758021, 12048197, 32702249, 228915743]

約数ペア:

[(1, 228915743), (7, 32702249), (19, 12048197), (83, 2758021), (89, 2572087), (133, 1721171), (233, 982471), (581, 394003), (623, 367441), (1577, 145159), (1631, 140353), (1691, 135373), (4427, 51709), (7387, 30989), (11039, 20737), (11837, 19339)]