161896790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2093

約数の個数: 48

約数和(自身を含む): 325258416

約数和(自身を除く): 163361626

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 121, 134, 242, 335, 605, 670, 737, 1210, 1474, 1997, 3685, 3994, 7370, 8107, 9985, 16214, 19970, 21967, 40535, 43934, 81070, 109835, 133799, 219670, 241637, 267598, 483274, 668995, 1208185, 1337990, 1471789, 2416370, 2943578, 7358945, 14717890, 16189679, 32379358, 80948395, 161896790]

約数ペア:

[(1, 161896790), (2, 80948395), (5, 32379358), (10, 16189679), (11, 14717890), (22, 7358945), (55, 2943578), (67, 2416370), (110, 1471789), (121, 1337990), (134, 1208185), (242, 668995), (335, 483274), (605, 267598), (670, 241637), (737, 219670), (1210, 133799), (1474, 109835), (1997, 81070), (3685, 43934), (3994, 40535), (7370, 21967), (8107, 19970), (9985, 16214)]