391841488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{790003}}^1$

素因数の和:790042

約数の個数: 20

約数和(自身を含む): 783683968

約数和(自身を除く): 391842480

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 790003, 1580006, 3160012, 6320024, 12640048, 24490093, 48980186, 97960372, 195920744, 391841488]

約数ペア:

[(1, 391841488), (2, 195920744), (4, 97960372), (8, 48980186), (16, 24490093), (31, 12640048), (62, 6320024), (124, 3160012), (248, 1580006), (496, 790003)]