278695703

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 331323696

約数和(自身を除く): 52627993

約数列:

[1, 11, 13, 143, 169, 197, 761, 1859, 2167, 2561, 8371, 9893, 28171, 33293, 108823, 128609, 149917, 366223, 1414699, 1649087, 1948921, 21438131, 25335973, 278695703]

約数ペア:

[(1, 278695703), (11, 25335973), (13, 21438131), (143, 1948921), (169, 1649087), (197, 1414699), (761, 366223), (1859, 149917), (2167, 128609), (2561, 108823), (8371, 33293), (9893, 28171)]