139256876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 275425920

約数和(自身を除く): 136169044

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 89, 172, 178, 356, 473, 827, 946, 979, 1654, 1892, 1958, 3308, 3827, 3916, 7654, 9097, 15308, 18194, 35561, 36388, 42097, 71122, 73603, 84194, 142244, 147206, 168388, 294412, 391171, 782342, 809633, 1564684, 1619266, 3164929, 3238532, 6329858, 12659716, 34814219, 69628438, 139256876]

約数ペア:

[(1, 139256876), (2, 69628438), (4, 34814219), (11, 12659716), (22, 6329858), (43, 3238532), (44, 3164929), (86, 1619266), (89, 1564684), (172, 809633), (178, 782342), (356, 391171), (473, 294412), (827, 168388), (946, 147206), (979, 142244), (1654, 84194), (1892, 73603), (1958, 71122), (3308, 42097), (3827, 36388), (3916, 35561), (7654, 18194), (9097, 15308)]