71390836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 141261120

約数和(自身を除く): 69870284

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 97, 172, 194, 388, 389, 473, 778, 946, 1067, 1556, 1892, 2134, 4171, 4268, 4279, 8342, 8558, 16684, 16727, 17116, 33454, 37733, 45881, 66908, 75466, 91762, 150932, 183524, 183997, 367994, 415063, 735988, 830126, 1622519, 1660252, 3245038, 6490076, 17847709, 35695418, 71390836]

約数ペア:

[(1, 71390836), (2, 35695418), (4, 17847709), (11, 6490076), (22, 3245038), (43, 1660252), (44, 1622519), (86, 830126), (97, 735988), (172, 415063), (194, 367994), (388, 183997), (389, 183524), (473, 150932), (778, 91762), (946, 75466), (1067, 66908), (1556, 45881), (1892, 37733), (2134, 33454), (4171, 17116), (4268, 16727), (4279, 16684), (8342, 8558)]