39889808

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11535

約数の個数: 40

約数和(自身を含む): 91184640

約数和(自身を除く): 51294832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 11489, 22978, 45956, 80423, 91912, 160846, 183824, 321692, 356159, 643384, 712318, 1286768, 1424636, 2493113, 2849272, 4986226, 5698544, 9972452, 19944904, 39889808]

約数ペア:

[(1, 39889808), (2, 19944904), (4, 9972452), (7, 5698544), (8, 4986226), (14, 2849272), (16, 2493113), (28, 1424636), (31, 1286768), (56, 712318), (62, 643384), (112, 356159), (124, 321692), (217, 183824), (248, 160846), (434, 91912), (496, 80423), (868, 45956), (1736, 22978), (3472, 11489)]