397645892

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{194543}}^1$

素因数の和:194627

約数の個数: 24

約数和(自身を含む): 806190336

約数和(自身を除く): 408544444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 194543, 389086, 778172, 1361801, 2723602, 5447204, 14201639, 28403278, 56806556, 99411473, 198822946, 397645892]

約数ペア:

[(1, 397645892), (2, 198822946), (4, 99411473), (7, 56806556), (14, 28403278), (28, 14201639), (73, 5447204), (146, 2723602), (292, 1361801), (511, 778172), (1022, 389086), (2044, 194543)]