1218721996

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{2347}}^1\times {\mathrm{3019}}^1$

素因数の和:5413

約数の個数: 24

約数和(自身を含む): 2184015680

約数和(自身を除く): 965293684

約数列:

[1, 2, 4, 43, 86, 172, 2347, 3019, 4694, 6038, 9388, 12076, 100921, 129817, 201842, 259634, 403684, 519268, 7085593, 14171186, 28342372, 304680499, 609360998, 1218721996]

約数ペア:

[(1, 1218721996), (2, 609360998), (4, 304680499), (43, 28342372), (86, 14171186), (172, 7085593), (2347, 519268), (3019, 403684), (4694, 259634), (6038, 201842), (9388, 129817), (12076, 100921)]