66668404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 131636736

約数和(自身を除く): 64968332

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 167, 172, 211, 334, 422, 473, 668, 844, 946, 1837, 1892, 2321, 3674, 4642, 7181, 7348, 9073, 9284, 14362, 18146, 28724, 35237, 36292, 70474, 78991, 99803, 140948, 157982, 199606, 315964, 387607, 399212, 775214, 1515191, 1550428, 3030382, 6060764, 16667101, 33334202, 66668404]

約数ペア:

[(1, 66668404), (2, 33334202), (4, 16667101), (11, 6060764), (22, 3030382), (43, 1550428), (44, 1515191), (86, 775214), (167, 399212), (172, 387607), (211, 315964), (334, 199606), (422, 157982), (473, 140948), (668, 99803), (844, 78991), (946, 70474), (1837, 36292), (1892, 35237), (2321, 28724), (3674, 18146), (4642, 14362), (7181, 9284), (7348, 9073)]