389614904

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{25117}}^1$

素因数の和:25407

約数の個数: 32

約数和(自身を含む): 837936480

約数和(自身を除く): 448321576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756, 15512, 25117, 50234, 100468, 175819, 200936, 351638, 703276, 1406552, 6957409, 13914818, 27829636, 48701863, 55659272, 97403726, 194807452, 389614904]

約数ペア:

[(1, 389614904), (2, 194807452), (4, 97403726), (7, 55659272), (8, 48701863), (14, 27829636), (28, 13914818), (56, 6957409), (277, 1406552), (554, 703276), (1108, 351638), (1939, 200936), (2216, 175819), (3878, 100468), (7756, 50234), (15512, 25117)]