278013564

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{108769}}^1$

素因数の和:108850

約数の個数: 36

約数和(自身を含む): 712661040

約数和(自身を除く): 434647476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 108769, 217538, 326307, 435076, 652614, 978921, 1305228, 1957842, 3915684, 7722599, 15445198, 23167797, 30890396, 46335594, 69503391, 92671188, 139006782, 278013564]

約数ペア:

[(1, 278013564), (2, 139006782), (3, 92671188), (4, 69503391), (6, 46335594), (9, 30890396), (12, 23167797), (18, 15445198), (36, 7722599), (71, 3915684), (142, 1957842), (213, 1305228), (284, 978921), (426, 652614), (639, 435076), (852, 326307), (1278, 217538), (2556, 108769)]