678033422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 1186236576

約数和(自身を除く): 508203154

約数列:

[1, 2, 11, 22, 23, 46, 61, 121, 122, 242, 253, 506, 671, 1342, 1403, 1997, 2783, 2806, 3994, 5566, 7381, 14762, 15433, 21967, 30866, 43934, 45931, 91862, 121817, 169763, 241637, 243634, 339526, 483274, 505241, 1010482, 1339987, 2679974, 2801791, 5557651, 5603582, 11115302, 14739857, 29479714, 30819701, 61639402, 339016711, 678033422]

約数ペア:

[(1, 678033422), (2, 339016711), (11, 61639402), (22, 30819701), (23, 29479714), (46, 14739857), (61, 11115302), (121, 5603582), (122, 5557651), (242, 2801791), (253, 2679974), (506, 1339987), (671, 1010482), (1342, 505241), (1403, 483274), (1997, 339526), (2783, 243634), (2806, 241637), (3994, 169763), (5566, 121817), (7381, 91862), (14762, 45931), (15433, 43934), (21967, 30866)]