209861197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 269095680

約数和(自身を除く): 59234483

約数列:

[1, 7, 13, 29, 91, 203, 281, 283, 377, 1967, 1981, 2639, 3653, 3679, 8149, 8207, 25571, 25753, 57043, 57449, 79523, 105937, 106691, 556661, 741559, 746837, 1033799, 2306167, 7236593, 16143169, 29980171, 209861197]

約数ペア:

[(1, 209861197), (7, 29980171), (13, 16143169), (29, 7236593), (91, 2306167), (203, 1033799), (281, 746837), (283, 741559), (377, 556661), (1967, 106691), (1981, 105937), (2639, 79523), (3653, 57449), (3679, 57043), (8149, 25753), (8207, 25571)]