1663945808

素因数分解:

$2^4\times 7^1\times {\mathrm{14856659}}^1$

素因数の和:14856674

約数の個数: 20

約数和(自身を含む): 3684451680

約数和(自身を除く): 2020505872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 14856659, 29713318, 59426636, 103996613, 118853272, 207993226, 237706544, 415986452, 831972904, 1663945808]

約数ペア:

[(1, 1663945808), (2, 831972904), (4, 415986452), (7, 237706544), (8, 207993226), (14, 118853272), (16, 103996613), (28, 59426636), (56, 29713318), (112, 14856659)]