81620294

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 143963136

約数和(自身を除く): 62342842

約数列:

[1, 2, 7, 14, 47, 94, 163, 326, 329, 658, 761, 1141, 1522, 2282, 5327, 7661, 10654, 15322, 35767, 53627, 71534, 107254, 124043, 248086, 250369, 500738, 868301, 1736602, 5830021, 11660042, 40810147, 81620294]

約数ペア:

[(1, 81620294), (2, 40810147), (7, 11660042), (14, 5830021), (47, 1736602), (94, 868301), (163, 500738), (326, 250369), (329, 248086), (658, 124043), (761, 107254), (1141, 71534), (1522, 53627), (2282, 35767), (5327, 15322), (7661, 10654)]