219978986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 346705920

約数和(自身を除く): 126726934

約数列:

[1, 2, 37, 74, 89, 127, 178, 254, 263, 526, 3293, 4699, 6586, 9398, 9731, 11303, 19462, 22606, 23407, 33401, 46814, 66802, 418211, 836422, 866059, 1235837, 1732118, 2471674, 2972689, 5945378, 109989493, 219978986]

約数ペア:

[(1, 219978986), (2, 109989493), (37, 5945378), (74, 2972689), (89, 2471674), (127, 1732118), (178, 1235837), (254, 866059), (263, 836422), (526, 418211), (3293, 66802), (4699, 46814), (6586, 33401), (9398, 23407), (9731, 22606), (11303, 19462)]