217124578

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 383949720

約数和(自身を除く): 166825142

約数列:

[1, 2, 11, 17, 22, 34, 89, 121, 178, 187, 242, 374, 593, 979, 1186, 1513, 1958, 2057, 3026, 4114, 6523, 10081, 10769, 13046, 16643, 20162, 21538, 33286, 52777, 71753, 105554, 110891, 143506, 183073, 221782, 366146, 580547, 897209, 1161094, 1219801, 1794418, 2439602, 6386017, 9869299, 12772034, 19738598, 108562289, 217124578]

約数ペア:

[(1, 217124578), (2, 108562289), (11, 19738598), (17, 12772034), (22, 9869299), (34, 6386017), (89, 2439602), (121, 1794418), (178, 1219801), (187, 1161094), (242, 897209), (374, 580547), (593, 366146), (979, 221782), (1186, 183073), (1513, 143506), (1958, 110891), (2057, 105554), (3026, 71753), (4114, 52777), (6523, 33286), (10081, 21538), (10769, 20162), (13046, 16643)]