389631032

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{20051}}^1$

素因数の和:20411

約数の個数: 32

約数和(自身を含む): 837371520

約数和(自身を除く): 447740488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1388, 2429, 2776, 4858, 9716, 19432, 20051, 40102, 80204, 140357, 160408, 280714, 561428, 1122856, 6957697, 13915394, 27830788, 48703879, 55661576, 97407758, 194815516, 389631032]

約数ペア:

[(1, 389631032), (2, 194815516), (4, 97407758), (7, 55661576), (8, 48703879), (14, 27830788), (28, 13915394), (56, 6957697), (347, 1122856), (694, 561428), (1388, 280714), (2429, 160408), (2776, 140357), (4858, 80204), (9716, 40102), (19432, 20051)]