978525004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{65357}}^1$

素因数の和:65577

約数の個数: 24

約数和(自身を含む): 1811723760

約数和(自身を除く): 833198756

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 7486, 14972, 65357, 130714, 261428, 1241783, 2483566, 4967132, 12875329, 25750658, 51501316, 244631251, 489262502, 978525004]

約数ペア:

[(1, 978525004), (2, 489262502), (4, 244631251), (19, 51501316), (38, 25750658), (76, 12875329), (197, 4967132), (394, 2483566), (788, 1241783), (3743, 261428), (7486, 130714), (14972, 65357)]