128928908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{17489}}^1$

素因数の和:17609

約数の個数: 24

約数和(自身を含む): 239962800

約数和(自身を除く): 111033892

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 7372, 17489, 34978, 69956, 332291, 664582, 1329164, 1696433, 3392866, 6785732, 32232227, 64464454, 128928908]

約数ペア:

[(1, 128928908), (2, 64464454), (4, 32232227), (19, 6785732), (38, 3392866), (76, 1696433), (97, 1329164), (194, 664582), (388, 332291), (1843, 69956), (3686, 34978), (7372, 17489)]