256804516795

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1\times {\mathrm{21319}}^1$

素因数の和:21859

約数の個数: 32

約数和(自身を含む): 318121689600

約数和(自身を除く): 61317172805

約数列:

[1, 5, 43, 179, 215, 313, 895, 1565, 7697, 13459, 21319, 38485, 56027, 67295, 106595, 280135, 916717, 2409161, 3816101, 4583585, 6672847, 12045805, 19080505, 33364235, 164092343, 286932421, 820461715, 1194439613, 1434662105, 5972198065, 51360903359, 256804516795]

約数ペア:

[(1, 256804516795), (5, 51360903359), (43, 5972198065), (179, 1434662105), (215, 1194439613), (313, 820461715), (895, 286932421), (1565, 164092343), (7697, 33364235), (13459, 19080505), (21319, 12045805), (38485, 6672847), (56027, 4583585), (67295, 3816101), (106595, 2409161), (280135, 916717)]