157205015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{1319}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 208565280

約数和(自身を除く): 51360265

約数列:

[1, 5, 11, 55, 121, 197, 605, 985, 1319, 2167, 6595, 10835, 14509, 23837, 72545, 119185, 159599, 259843, 797995, 1299215, 2858273, 14291365, 31441003, 157205015]

約数ペア:

[(1, 157205015), (5, 31441003), (11, 14291365), (55, 2858273), (121, 1299215), (197, 797995), (605, 259843), (985, 159599), (1319, 119185), (2167, 72545), (6595, 23837), (10835, 14509)]