855607564

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{985723}}^1$

素因数の和:985765

約数の個数: 24

約数和(自身を含む): 1766417408

約数和(自身を除く): 910809844

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 985723, 1971446, 3942892, 6900061, 13800122, 27600244, 30557413, 61114826, 122229652, 213901891, 427803782, 855607564]

約数ペア:

[(1, 855607564), (2, 427803782), (4, 213901891), (7, 122229652), (14, 61114826), (28, 30557413), (31, 27600244), (62, 13800122), (124, 6900061), (217, 3942892), (434, 1971446), (868, 985723)]