1891004020415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{370091}}^1$

素因数の和:370559

約数の個数: 32

約数和(自身を含む): 2391374624256

約数和(自身を除く): 500370603841

約数列:

[1, 5, 23, 115, 157, 283, 785, 1415, 3611, 6509, 18055, 32545, 44431, 222155, 370091, 1021913, 1850455, 5109565, 8512093, 42560465, 58104287, 104735753, 290521435, 523678765, 1336398601, 2408922319, 6681993005, 12044611595, 16443513221, 82217566105, 378200804083, 1891004020415]

約数ペア:

[(1, 1891004020415), (5, 378200804083), (23, 82217566105), (115, 16443513221), (157, 12044611595), (283, 6681993005), (785, 2408922319), (1415, 1336398601), (3611, 523678765), (6509, 290521435), (18055, 104735753), (32545, 58104287), (44431, 42560465), (222155, 8512093), (370091, 5109565), (1021913, 1850455)]