219492616

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{20521}}^1$

素因数の和:20725

約数の個数: 32

約数和(自身を含む): 472826880

約数和(自身を除く): 253334264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 20521, 41042, 82084, 143647, 164168, 287294, 574588, 1149176, 3919511, 7839022, 15678044, 27436577, 31356088, 54873154, 109746308, 219492616]

約数ペア:

[(1, 219492616), (2, 109746308), (4, 54873154), (7, 31356088), (8, 27436577), (14, 15678044), (28, 7839022), (56, 3919511), (191, 1149176), (382, 574588), (764, 287294), (1337, 164168), (1528, 143647), (2674, 82084), (5348, 41042), (10696, 20521)]