42880684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19889}}^1$

素因数の和:19918

約数の個数: 36

約数和(自身を含む): 95233320

約数和(自身を除く): 52352636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 19889, 39778, 79556, 139223, 218779, 278446, 437558, 556892, 875116, 974561, 1531453, 1949122, 3062906, 3898244, 6125812, 10720171, 21440342, 42880684]

約数ペア:

[(1, 42880684), (2, 21440342), (4, 10720171), (7, 6125812), (11, 3898244), (14, 3062906), (22, 1949122), (28, 1531453), (44, 974561), (49, 875116), (77, 556892), (98, 437558), (154, 278446), (196, 218779), (308, 139223), (539, 79556), (1078, 39778), (2156, 19889)]