678586972

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{114859}}^1$

素因数の和:115081

約数の個数: 24

約数和(自身を含む): 1363617920

約数和(自身を除く): 685030948

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 5908, 114859, 229718, 459436, 804013, 1608026, 3216052, 24235249, 48470498, 96940996, 169646743, 339293486, 678586972]

約数ペア:

[(1, 678586972), (2, 339293486), (4, 169646743), (7, 96940996), (14, 48470498), (28, 24235249), (211, 3216052), (422, 1608026), (844, 804013), (1477, 459436), (2954, 229718), (5908, 114859)]