91047775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 143546368

約数和(自身を除く): 52498593

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 1291, 2015, 2275, 2821, 5425, 6455, 9037, 10075, 14105, 16783, 32275, 40021, 45185, 70525, 83915, 117481, 200105, 225925, 280147, 419575, 520273, 587405, 1000525, 1400735, 2601365, 2937025, 3641911, 7003675, 13006825, 18209555, 91047775]

約数ペア:

[(1, 91047775), (5, 18209555), (7, 13006825), (13, 7003675), (25, 3641911), (31, 2937025), (35, 2601365), (65, 1400735), (91, 1000525), (155, 587405), (175, 520273), (217, 419575), (325, 280147), (403, 225925), (455, 200105), (775, 117481), (1085, 83915), (1291, 70525), (2015, 45185), (2275, 40021), (2821, 32275), (5425, 16783), (6455, 14105), (9037, 10075)]