218680756

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1459}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 450334080

約数和(自身を除く): 231653324

約数列:

[1, 2, 4, 7, 14, 28, 53, 101, 106, 202, 212, 371, 404, 707, 742, 1414, 1459, 1484, 2828, 2918, 5353, 5836, 10213, 10706, 20426, 21412, 37471, 40852, 74942, 77327, 147359, 149884, 154654, 294718, 309308, 541289, 589436, 1031513, 1082578, 2063026, 2165156, 4126052, 7810027, 15620054, 31240108, 54670189, 109340378, 218680756]

約数ペア:

[(1, 218680756), (2, 109340378), (4, 54670189), (7, 31240108), (14, 15620054), (28, 7810027), (53, 4126052), (101, 2165156), (106, 2063026), (202, 1082578), (212, 1031513), (371, 589436), (404, 541289), (707, 309308), (742, 294718), (1414, 154654), (1459, 149884), (1484, 147359), (2828, 77327), (2918, 74942), (5353, 40852), (5836, 37471), (10213, 21412), (10706, 20426)]