289344902

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1931}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 555024960

約数和(自身を除く): 265680058

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 139, 154, 278, 539, 973, 1078, 1529, 1931, 1946, 3058, 3862, 6811, 10703, 13517, 13622, 21241, 21406, 27034, 42482, 74921, 94619, 148687, 149842, 189238, 268409, 297374, 536818, 1040809, 1878863, 2081618, 2952499, 3757726, 5904998, 13152041, 20667493, 26304082, 41334986, 144672451, 289344902]

約数ペア:

[(1, 289344902), (2, 144672451), (7, 41334986), (11, 26304082), (14, 20667493), (22, 13152041), (49, 5904998), (77, 3757726), (98, 2952499), (139, 2081618), (154, 1878863), (278, 1040809), (539, 536818), (973, 297374), (1078, 268409), (1529, 189238), (1931, 149842), (1946, 148687), (3058, 94619), (3862, 74921), (6811, 42482), (10703, 27034), (13517, 21406), (13622, 21241)]