201909851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 251682816

約数和(自身を除く): 49772965

約数列:

[1, 11, 13, 31, 37, 143, 341, 403, 407, 481, 1147, 1231, 4433, 5291, 12617, 13541, 14911, 16003, 38161, 45547, 164021, 176033, 419771, 496093, 501017, 592111, 1411957, 5457023, 6513221, 15531527, 18355441, 201909851]

約数ペア:

[(1, 201909851), (11, 18355441), (13, 15531527), (31, 6513221), (37, 5457023), (143, 1411957), (341, 592111), (403, 501017), (407, 496093), (481, 419771), (1147, 176033), (1231, 164021), (4433, 45547), (5291, 38161), (12617, 16003), (13541, 14911)]